RV rental Three Island Crossing State Park, ID: Motorhome rentals, camper van rentals and more

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Driving a rental RV through southern Idaho takes you through a spectacular yet arid landscape. Three Island Crossing State Park is a small oasis next to the Snake River, featuring just over 600 acres of land with trails, lush trees, green grass, and cool water for wading and fishing. The park is 75 miles southeast of Boise, right off of Interstate 84.

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Getting Outdoors

Three Island Crossing State Park doesn’t have much in the way of hiking or biking trails, but you should still bring good shoes and your bike when camping at Three Island Crossing State Park. A paved perimeter road around the park is a lovely way to enjoy the park’s scenery and bird population, made up of eagles and other waterfowl. There are a few flat, unpaved trails totaling less than one mile in the interior of the park where you can do the same.

Camping at Three Island Crossing State Park

The RV campground at Three Island Crossing State Park is open year-round. There are 82 campsites total, featuring water and electrical hookups with 30 or 50-amp service. There aren't any sewer hookups, but a dump station is conveniently located within the park. You'll never be far from a restroom with flushing toilets and showers. Other campsite amenities include a fire ring and picnic table.

Exploring the Area

The campground at Three Island Crossing State Park puts you in a beautiful location for exploring southern Idaho in a camper rental. You have Craters of the Moon National Monument, an otherworldly experience with vast expanses of lava fields and tubes, two hours to the east of Three Island Crossing. And then there’s Bruneau Dunes State Park, another one of the Snake River’s major attractions, just a half-hour to the west. In fact, you’ll have no trouble at all finding things to do on the Snake River. Carmela Vineyards borders the park and has a spectacular nine-hole golf course winding through the property.

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Popular nearby hiking trails and campgrounds

  • Hiking TrailLocation
  • Bruneau Dunes Loop, IDBruneau Dunes State Park, ID
  • Malad Gorge Walk, IDHagerman, ID
  • Gooding City of Rocks, IDBliss, ID
  • Box Canyon, IDWendell, ID
  • Anderson Ranch Reservoir Area, IDMountain Home, ID
  • Bridge (Elk Flat) Hot Springs, IDSawtooth National Forest, ID
  • Parker Trail to Big Jacks Creek, IDGrand View, ID
  • Sawtooth Scenic Byway, IDSawtooth National Forest, ID
  • Baumgartner Hot Springs, IDSawtooth National Forest, ID
  • Rainbow Lakes, IDAtlanta, ID

Recent RV rental reviews in Three Island Crossing State Park

Steve Y.

October, 2025

Great overall experience with Sean. Communication was quick, effective and easy. Wall through went great and using the RV was a breeze. Return was easy! Thankful! Would rent from Sean again.
Brian W.

September, 2025

Dalton was exceptionally easy to work with and he provided a nice , clean, and well stocked travel trailer. My wife and I particularly enjoyed how easy the camper was to tow and set up. We highly recommend renting this camper from Dalton, we certainly will again.
Liz M.

September, 2025

Sam and Stephanie are great hosts. They’re super easy to get a hold of and their rv has every essential needed for camping. Definitely recommend it!

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