Three Island Crossing State Park
RV Guide


Pack your motorhome and head out the gorgeous Three Island Crossing State Park in Glenns Ferry, Idaho! You will find that this southern park is not only a great place to camp and relax but it is also a history lover’s dream. Located on the Oregon Trail, the park is at the ford of the Snake River providing picturesque views of the long and wide river from your RV campsite. Home to the Oregon Trail History & Education Center, park visitors can learn more about how the area was settled along with Idaho’s Native American history.

View the original Oregon Trail ruts, Snake River, and Glenn's famous ferry that was built for the travel of wagon trails and much more. Campers will be delighted in how green and shaded the park is for being located in a high desert area. For those who love birds, this state park is considered a bird watching haven by past visitors as you will see pelicans splashing in the river to the great horned owl. Come here to camp, play disc golf, explore trails, have a picnic and much more while experiencing the great outdoors. It is well worth the stop so reserve your RV camping spot today!

RV Rentals in Three Island Crossing State Park



Get ready for to have an excellent camping experience at Three Island Crossing State Park in Idaho! Great for individuals, families and even your favorite pet, travel will be a breeze in your motorhome to this beautiful 613-acre state park. Easy to access, the Three Island Crossing State Park will not disappoint! Located only a few miles off of 1-84, you will find that the park entrance is right off of Madison Avenue. Only 72 miles from Boise, 211 miles from Idaho Falls and 270 miles northwest of Salt Lake City, Utah, this park is great for a weekend getaway or a week-long vacation. Make sure to add Three Island Crossing State Park to your list of places to travel to this year.


This quiet campground with mostly well-maintained gravel roads. For RV camping, the area is divided into two camping loops. The outer loop provides views of the Snake River from your campsite and the other loop brings you higher up in the park. Three Island Crossing State Park provides spaces for both pull-through and back-in parking. Campers will find the Oregon trail education center is located right next to the campground. You’ll find that the visitor center is a bit off the main highway but it is worth the time and effort to travel there.

Public Transportation

Campgrounds and parking in Three Island Crossing State Park

Campsites in Three Island Crossing State Park

Reservations camping

Twin Falls / Jerome KOA

Follow Highway 93 in Jerome, ID as it traverses the Perrine Bridge over the Snake River Canyon, then settle in at the Twin Falls/Jerome KOA right off the interstate. For local adventure, visit the Shoshone Indian Ice Caves. Feel free to bring rigs up to 90'. This campground provides deluxe patio site with full hookups, up to 50-amp service, a garden table and a campfire area. Firewood and propane are available on-site. The campground also offers a water/electric only site with a private yard, shade tree and picnic table. Other conveniences include Wi-Fi and cable TV. Stay fit with bike rentals, mini golf and swimming at the pool.

Three Island Crossing Campground

You will enjoy your time immensely during your visit to the historic Three Island Crossing State Park in Glenns Ferry, Idaho. With the beautiful scenery, you will find that your camping experience will exceed expectations with spacious lots, clean restrooms that include free showers and electrical and water hookups. One site even has full hookups. RV sites also include back-in and pull-through parking for both camping loops with paved parking pads, a picnic table, and fire ring. A dump station is located on the way out of the park.

Stretch your legs and travel the many hiking trails of Three Island Crossing State Park as you take in the picturesque views of the Snake River from the upper loop. This campground will quickly become one of your favorites, and you will definitely want to stay here for years to come. This lush, green park is dog-friendly! Don’t leave Fido at home but make sure your pup stays on a leash. From visiting the Oregon Trail Museum to playing disc golf, fishing from the riverbanks or enjoying your time around the campfire, you will fill that Three Island Cross State Park is a camping spot for all!

Seasonal activities in Three Island Crossing State Park


Night Sky Viewing

Have a memorable RV camping experience by exploring Three Island Crossing State Park at night as the pioneers did long ago on the Oregon Trail! Grab your blanket and binoculars for a night of learning about nature’s own light show. Held typically in the springtime, make plans to dress appropriately for an Idaho’s evening weather. You will need to meet park staff in the parking lot of the Oregon Trail History and Education Center.


Pause from the daily grind as you cast your fishing line to catch your next meal at Idaho’s Snake River. This wide, calm river provides the perfect location for some great fishing during your trip. Pack your fishing gear and a camping chair and plan to spend a memorable day out in nature. Whether you are an expert angler or giving this favorite pastime try, cast your line into the vast green wasters of this historic river and reel in your next trout.


Once you have set up your campervan at the campsite, be ready to see this bird watching haven of a state park. With great blue herons, pelicans, barn owls, and great-horned owls, there are many birds to watch and enjoy during your stay. A top location along the Snake River for bird watching, you may even see a golden eagle from a trail or the comfort of your camper. Make plans to pack your binoculars and great ready to see some amazing birds during your stay.


Visiting the Oregon Trail History and Education Center

Calling all history buffs or those who enjoyed playing the popular educational computer game, the Oregon Trail History and Education Center is a wonderful place to visit during your vacation. Learn more about Idaho’s Native American and emigration history and how the surrounding area was settled. Unique to the state, view the original wagon ruts left behind by travelers of the Oregon Trail centuries ago. The center is located next to the campground making it easy to access during your stay.

Disc Golfing

Come and play disc golf at one of Idaho’s popular courses. Considered mildly hilly, this train will keep yo you on your toes, as the course is considered a par 3. From beginners to those who played for years, you’ll have hours of fun in the great outdoors and sunshine while you exercise a little bit. A great opportunity to enjoy while you’re here camping in your RV at Three Island Crossing State Park.


Immerse yourself into nature as you experience Idaho's outdoors and explore the southern area of the state’s great wilderness at Three Island Crossing State Park. During your stay, take this opportunity to catch your breath and enjoy nature will give you memories to enjoy for months to come. Make sure to pack your hiking boots and grab a free map from the visitor center before heading out on your next adventure, you’ll be glad you did!