Towable RV Rentals in Harpswell, ME

1-20 of 100+ Towable RV Rentals
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Let your inner cougar out!!!!!!
Offers Delivery
2022 Fifth Wheel

Keystone RV Cougar Half-Ton 32BHS

Sleeps 10 35.0ft
19.5 miles from Harpswell, ME
(9)
$208/night
2024 Heartland Eddie Bauer 324BH
2024 Heartland Eddie Bauer 324BH
2024 Heartland Eddie Bauer 324BH
2024 Heartland Eddie Bauer 324BH
2024 Heartland Eddie Bauer 324BH
2024 Heartland Eddie Bauer 324BH
2024 Heartland Eddie Bauer 324BH
2024 Heartland Eddie Bauer 324BH
2024 Heartland Eddie Bauer 324BH
2024 Heartland Eddie Bauer 324BH
2024 Heartland Eddie Bauer 324BH
2024 Heartland Eddie Bauer 324BH
2024 Heartland Eddie Bauer 324BH
2024 Heartland Eddie Bauer 324BH
2024 Heartland Eddie Bauer 324BH
Offers Delivery
2024 Travel Trailer

Heartland Unknown EBL 324 BH Eddie Bauer

Sleeps 9 35.0ft
14.5 miles from Harpswell, ME
(5)
$145/night
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
"Minnie" 2015 Keystone Passport Express Super Lite
Offers Delivery
2015 Travel Trailer

Keystone RV Passport 238ML Express

Sleeps 5 24.0ft
1.7 miles from Harpswell, ME
(11)
$130/night
Coastal Hideout
Coastal Hideout
Coastal Hideout
Coastal Hideout
Coastal Hideout
Coastal Hideout
Coastal Hideout
Coastal Hideout
Coastal Hideout
Coastal Hideout
Coastal Hideout
Coastal Hideout
Coastal Hideout
Coastal Hideout
Coastal Hideout
Coastal Hideout
Coastal Hideout
Offers Delivery
2023 Travel Trailer

Keystone RV Hideout Single Axle 179RB

Sleeps 3 21.0ft
18.6 miles from Harpswell, ME
(4)
$131/night
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
2023 Forest River Cherokee Grey Wolf  Black Label
Offers Delivery
2023 Travel Trailer

Forest River RV Cherokee Grey Wolf Black Label 23DBHBL

Sleeps 8 29.0ft
10.6 miles from Harpswell, ME
(4)
$150/night
2016 crossroads sunset trail superlite270 BH
2016 crossroads sunset trail superlite270 BH
2016 crossroads sunset trail superlite270 BH
2016 crossroads sunset trail superlite270 BH
2016 crossroads sunset trail superlite270 BH
2016 crossroads sunset trail superlite270 BH
2016 crossroads sunset trail superlite270 BH
2016 crossroads sunset trail superlite270 BH
2016 crossroads sunset trail superlite270 BH
2016 crossroads sunset trail superlite270 BH
2016 crossroads sunset trail superlite270 BH
2016 crossroads sunset trail superlite270 BH
2016 crossroads sunset trail superlite270 BH
Offers Delivery
2016 Travel Trailer

CrossRoads RV Sunset Trail Super Lite ST270BH

Sleeps 10 30.5ft
18.3 miles from Harpswell, ME
(4)
$125/night
Offers Delivery
2019 Travel Trailer

Grand Design Imagine 2400BH

Sleeps 8 28.0ft
10.6 miles from Harpswell, ME
(2)
$155/night
2021 keystone
2021 keystone
2021 keystone
2021 keystone
2021 keystone
2021 keystone
2021 keystone
2021 keystone
2021 keystone
2021 keystone
2021 keystone
2021 keystone
2021 keystone
2021 keystone
2021 keystone
2021 keystone
2021 keystone
2021 keystone
Offers Delivery
2021 Travel Trailer

Keystone RV Bullet 287QBS

Sleeps 9 33.0ft
18.1 miles from Harpswell, ME
(1)
$148/night
Offers Delivery
2016 Fifth Wheel

Keystone RV Sprinter 252FWRLS

Sleeps 6 30.0ft
19.9 miles from Harpswell, ME
(5)
$159/night
2021 Keystone RV Passport 292BH SL Series
2021 Keystone RV Passport 292BH SL Series
2021 Keystone RV Passport 292BH SL Series
2021 Keystone RV Passport 292BH SL Series
2021 Keystone RV Passport 292BH SL Series
2021 Keystone RV Passport 292BH SL Series
2021 Keystone RV Passport 292BH SL Series
2021 Keystone RV Passport 292BH SL Series
2021 Keystone RV Passport 292BH SL Series
2021 Keystone RV Passport 292BH SL Series
2021 Keystone RV Passport 292BH SL Series
2021 Keystone RV Passport 292BH SL Series
2021 Keystone RV Passport 292BH SL Series
2021 Keystone RV Passport 292BH SL Series
2021 Travel Trailer

Keystone RV Passport 292BH SL Series

Sleeps 10 32.0ft
16.5 miles from Harpswell, ME
(3)
$150/night
2020 Forest River RV No Boundaries NB16.8
2020 Forest River RV No Boundaries NB16.8
2020 Forest River RV No Boundaries NB16.8
2020 Forest River RV No Boundaries NB16.8
2020 Forest River RV No Boundaries NB16.8
2020 Forest River RV No Boundaries NB16.8
2020 Forest River RV No Boundaries NB16.8
2020 Forest River RV No Boundaries NB16.8
2020 Forest River RV No Boundaries NB16.8
2020 Forest River RV No Boundaries NB16.8
2020 Forest River RV No Boundaries NB16.8
2020 Forest River RV No Boundaries NB16.8
2020 Forest River RV No Boundaries NB16.8
Offers Delivery
2020 Travel Trailer

Forest River RV No Boundaries NB16.8

Sleeps 3 20.0ft
10.6 miles from Harpswell, ME
(2)
$145/night
2021 Forest River RV Cherokee Wolf Pup 17JG
2021 Forest River RV Cherokee Wolf Pup 17JG
2021 Forest River RV Cherokee Wolf Pup 17JG
2021 Forest River RV Cherokee Wolf Pup 17JG
2021 Forest River RV Cherokee Wolf Pup 17JG
2021 Forest River RV Cherokee Wolf Pup 17JG
2021 Forest River RV Cherokee Wolf Pup 17JG
2021 Forest River RV Cherokee Wolf Pup 17JG
2021 Forest River RV Cherokee Wolf Pup 17JG
2021 Forest River RV Cherokee Wolf Pup 17JG
2021 Forest River RV Cherokee Wolf Pup 17JG
2021 Forest River RV Cherokee Wolf Pup 17JG
2021 Forest River RV Cherokee Wolf Pup 17JG
2021 Travel Trailer

Forest River RV Cherokee Wolf Pup 17JG

Sleeps 6 23.0ft
15.6 miles from Harpswell, ME
(2)
$125/night
2021 Travel Trailer

Heartland Pioneer RD 210

Sleeps 4 26.0ft
10.6 miles from Harpswell, ME
(1)
$150/night
2020 Airstream Caravel 19CB - inquire for Delivery
2020 Airstream Caravel 19CB - inquire for Delivery
2020 Airstream Caravel 19CB - inquire for Delivery
2020 Airstream Caravel 19CB - inquire for Delivery
2020 Airstream Caravel 19CB - inquire for Delivery
2020 Airstream Caravel 19CB - inquire for Delivery
2020 Airstream Caravel 19CB - inquire for Delivery
2020 Airstream Caravel 19CB - inquire for Delivery
2020 Airstream Caravel 19CB - inquire for Delivery
2020 Airstream Caravel 19CB - inquire for Delivery
2020 Airstream Caravel 19CB - inquire for Delivery
2020 Airstream Caravel 19CB - inquire for Delivery
2020 Airstream Caravel 19CB - inquire for Delivery
2020 Travel Trailer

Airstream RV Caravel 19CB

Sleeps 4 19.0ft
17.6 miles from Harpswell, ME
(2)
$199/night
2017 Heartland Sundance XLT Bunkhouse
2017 Heartland Sundance XLT Bunkhouse
2017 Heartland Sundance XLT Bunkhouse
2017 Heartland Sundance XLT Bunkhouse
2017 Heartland Sundance XLT Bunkhouse
2017 Heartland Sundance XLT Bunkhouse
2017 Heartland Sundance XLT Bunkhouse
2017 Heartland Sundance XLT Bunkhouse
2017 Heartland Sundance XLT Bunkhouse
2017 Heartland Sundance XLT Bunkhouse
2017 Heartland Sundance XLT Bunkhouse
2017 Heartland Sundance XLT Bunkhouse
Offers Delivery
2017 Fifth Wheel

Heartland Sundance XLT 295BH

Sleeps 8 34.0ft
18.7 miles from Harpswell, ME
(12)
$155/night
2024 Forest River RV Cherokee Grey Wolf 26DBH
2024 Forest River RV Cherokee Grey Wolf 26DBH
2024 Forest River RV Cherokee Grey Wolf 26DBH
2024 Forest River RV Cherokee Grey Wolf 26DBH
2024 Forest River RV Cherokee Grey Wolf 26DBH
Offers Delivery
2024 Travel Trailer

Forest River RV Cherokee Grey Wolf 26DBH

Sleeps 10 32.0ft
17.0 miles from Harpswell, ME
New Listing New Listing
$150/night
Offers Delivery
2016 Travel Trailer

CrossRoads RV Sunset Trail Super Lite ST270BH

Sleeps 8 30.0ft
18.3 miles from Harpswell, ME
$138/night
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Meet Alice! 2019 Airstream Flying Cloud 25ft.
Offers Delivery
2019 Travel Trailer

Airstream RV Flying Cloud 25FB Twin

Sleeps 6 25.0ft
34.8 miles from Harpswell, ME
(8)
$199/night
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
2022 Keystone RV Sprinter 3570FWLFT
Offers Delivery
2022 Fifth Wheel

Keystone RV Sprinter 3570FWLFT

Sleeps 10 35.0ft
20.9 miles from Harpswell, ME
(24)
$193/night
RV w/ solar power & storage under bunkhouse
RV w/ solar power & storage under bunkhouse
RV w/ solar power & storage under bunkhouse
RV w/ solar power & storage under bunkhouse
RV w/ solar power & storage under bunkhouse
RV w/ solar power & storage under bunkhouse
RV w/ solar power & storage under bunkhouse
RV w/ solar power & storage under bunkhouse
RV w/ solar power & storage under bunkhouse
RV w/ solar power & storage under bunkhouse
Offers Delivery
2023 Travel Trailer

Keystone RV Hideout 201BH

Sleeps 7 22.0ft
23.7 miles from Harpswell, ME
(9)
$130/night
Why Rent with RVshare?
Globe Icon
Wide-Ranging Inventory
From affordable pop-ups to luxury motorhomes
RV Icon
Largest RV Rental Marketplace
Thousands of 5 star reviews from happy customers
Lock Icon
Secure and Most Trusted
24/7 Emergency roadside assistance on every booking

Best National Parks Near Harpswell, ME

Harpswell, Maine, is surrounded by many natural wonders and national parks worth exploring.  Acadia National Park offers various outdoor activities, including hiking, biking, fishing, boating, and wildlife watching. The park has over 120 miles of hiking trails that wind through forests, mountains, and along the coast, providing endless opportunities for adventure and exploration. This stunning park is renowned for its rugged beauty, panoramic ocean views, and surrounding mountains. Some of the park's most popular trails include the Jordan Pond Path, which loops around the serene Jordan Pond, and the Cadillac Mountain Path, which leads to the summit of the highest peak on the East Coast. The park's scenic byways, including the Park Loop Road and the Acadia Byway, offer breathtaking views of the coastline and mountains. For those looking to stay overnight at the Jordan Pond Campground in Acadia National Park, you can get RVs to enjoy delicious food or a traditional Maine lobster bake.

Popular State Parks Near Harpswell, ME

Harpswell, Maine, is surrounded by stunning natural beauty and offers plenty of opportunities for outdoor activities. Visitors can take a scenic drive to explore nearby state parks, such as Sebago Lake State Park, which is only an hour away by car. You can drive through the woods and shoreline to enjoy the stunning scenery and wildlife. Bradbury Mountain State Park is a serene outdoor destination in Maine. Visitors can hike, bike, or fish; two cabins are available for rent. It's a great place to enjoy nature and escape it all. Camden Hills State Park is a must-visit destination for those interested in historical sites. The park offers a glimpse into the region's rich history with its stunning cliffs and beautiful ocean views. Visitors can explore the park's historical sites. The park is also great for nature lovers, with opportunities to spot wildlife like bald eagles and seals. Overall, Harpswell, Maine, is a great destination for those who love the outdoors and want to explore scenic drives, historic sites, and outdoor activities.

National Forests Near Harpswell, ME

Harpswell, Maine, is an idyllic coastal town surrounded by breathtaking natural areas. There are several popular national forests located nearby that offer visitors the chance to explore the great outdoors.  The White Mountain National Forest is a vast wilderness area that spans over a million acres and boasts over 700 miles of hiking trails. It's a hiker's paradise but also a popular destination for rock climbing, with various routes available for climbers of all skill levels. This place is pet friendly too. The Green Mountain National Forest is smaller than its neighbor, but it still offers plenty of opportunities for outdoor recreation. With over 200 miles of hiking trails, visitors can explore the forest's diverse ecosystems and discover several points of interest, including the historic Robert Frost Trail. Wildlife watching and photography are also popular activities in the woods. Whether you're an experienced hiker or just looking for a peaceful escape into nature, the national forests near Harpswell, Maine, are popular destinations for outdoor adventure and scenic beauty.

Must-see Monuments and Landmarks Near Harpswell, ME

Harpswell, Maine, is a great destination for those interested in exploring the area's rich history and natural beauty.  The Salem Maritime National Historic Site is a popular destination for history buffs, offering a glimpse into New England's maritime past. Visitors can explore several well-preserved buildings from the colonial period, including a customs house and a ship captain's home. The Saugus Iron Works National Historic Site is another must-see landmark near Harpswell, Maine. This site tells the story of one of the first iron foundries in America, which operated in the 17th century and produced various iron products. The Katahdin Woods and Waters National Monument is a top choice for nature lovers. This beautiful wilderness area offers many things to do and see, including hiking, fishing, and camping. Visitors can explore the park's rugged terrain, which includes mountains, forests, and rivers. Whether interested in history, outdoor activities, or natural beauty, these national parks and monuments offer something for everyone. Plan your visit today and discover all Harpswell, Maine, offers.

RVshare’s Top Picks for Nearby RV Parks & Campgrounds

If you plan to RV in Maine, Harpswell is a popular destination with multiple RV parks and campground options. Some popular options include Hid'n Pines Family Campground, Paradise Park Resort Campground, and Wild Acres RV Resort & Campground. These parks offer amenities such as electric hookups, Wi-Fi, and dump stations, making them a comfortable and convenient choice for travelers.

RV Dump Stations Near Harpswell, ME

Harpswell, Maine, has several options for RV dump stations, including Birches Family Campground, Cabela's - Scarborough, and Wassamki Springs Campground. Bayley's Camping Resort is a great choice for an individual dump station. Most of these are open 24 hours a day, 7 days a week, with free Wi-Fi access available. See the RVshare's guide for complete information about the RV parks, rentals, and dump stations.

RV Rentals Near Harpswell, ME


>

Frequently Asked Questions About Renting a Towable RV Near Harpswell, ME

If I want to rent a towable RV, how do I tell if my vehicle can handle the tow?

Before renting a towable RV, it is essential to ensure that your vehicle can handle the weight and hitch type of the trailer. You can find this information in your vehicle's owner's manual. You will also need to check the Gross Vehicle Weight Rating (GVWR) of the trailer, which can usually be found on a sticker located on the trailer. It is recommended that you do not exceed 80% of your vehicle's maximum tow rating and make sure you have the proper hitch, brake controller, and sway control device.

Are there any limitations on the types of roads or terrain I can navigate with a towable RV rental in Harpswell, ME?

Yes, there are limitations on the types of roads and terrain that you can navigate with a towable RV rental. It is important to check the RVshare rental agreement to see what types of roads and terrain are permitted. In general, most towable RVs are suitable for paved roads and well-maintained campgrounds. However, some rentals may be equipped with off-road tires, making them suitable for moderate off-road terrain.

Are there any additional insurance considerations or requirements when towing a rental RV, and how can I ensure I am adequately covered?

When renting a towable RV, there are three insurance options in case of an accident or damage. RVshare offers different types of insurance coverage, including liability, collision, and comprehensive. It is recommended that you choose the coverage that best suits your needs.

Do I use a sway control device when towing a RV, and does RVshare provide it, or do I need to bring my own?

A sway control device is highly recommended when towing a RV, especially on highways or in windy conditions. Discuss with the RV owner if this is something you will need. RVshare does not provide sway control devices, but the individual owner might.

What kind of braking system do I need for a towable RV rental, and how do I ensure it is properly installed and functional?

All towable RV rentals require a functioning braking system. There are two types of braking systems: electric and surge. Electric brake systems require a brake controller to be installed in the towing vehicle, while surge braking systems are built into the trailer's hitch. It is important to ensure that the braking system is properly installed and functional before towing. RVshare recommends having a professional mechanic inspect the brakes before renting.

Are any unique features or amenities available in towable RV rentals that may not be found in other RVs in Harpswell, ME?

The features and amenities available in towable RV rentals vary depending on the unit and the owner's preferences. Some common features found in towable RVs include full kitchens, bathrooms, and sleeping areas. Unique features may include outdoor kitchens, fireplaces, and spacious living areas. It is recommended that you browse RVshare's inventory to find a rental unit that meets your specific needs.

How do I properly load and distribute weight within a towable RV rental to ensure safe and stable towing?

Proper weight distribution is crucial when towing a RV. It is recommended that you load heavier items towards the front of the trailer and distribute weight evenly from side to side. You should also avoid overloading the trailer and keep the weight under the GVWR. It is recommended that you use a weight distribution hitch, which can help balance the weight and provide more stability when towing.

What are the fuel efficiency considerations when towing a rental RV, and how can I minimize the impact on my fuel costs?

Towing a rental RV can have a significant impact on your vehicle's fuel efficiency. It is recommended that you use a towing vehicle with a fuel-efficient engine and avoid driving at high speeds. Additionally, removing any unnecessary weight from your vehicle and trailer can help maximize fuel efficiency. It is also recommended that you maintain a consistent speed and avoid sudden stops and starts.

What kind of maintenance or upkeep do I need on a towable RV rental during my rental period, and what kind of supplies or tools do I need to have on hand for this?

During your rental period you are not responsible for maintenance. Treat the RV with care and maintain cleanliness during your trip.