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Three Island Crossing

Three Island Crossing State Park in Glenns Ferry, Idaho is a unique and beautiful park located along the Snake River. The park is named for the three islands that are located in the river, which can be crossed by a bridge. The park offers a variety of activities, including camping, fishing, boating, and hiking. Visitors can also explore the nearby historic sites, such as the Oregon Trail, the Oregon Short Line Railroad, and the Three Island Crossing Monument. The park also features a variety of wildlife, including deer, elk, and birds. Three Island Crossing State Park is a great place to explore the natural beauty of Idaho.

Amenities

- Recreational Facilities

• River
• Swimming
• Fishing
• Body Of Water (Snake River)
• Horseshoes
• Kayaking/Canoeing

- Policies

• Pets Welcome
• Day Max Stay (15)
• Tent Camping Allowed

- Other Amenities & Services

• Restroom and Showers
• Self-Service RV Wash

- Recreation Nearby (within 10 miles)

• Hiking
• Boating
• Mountain Biking

- Facility

• Type (State Park)
• Partial Handicap Access

- On-Site Rentals

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- Sites

• Spaces Available (82)
• Width (30)
• Max Length (110)
• Gravel Sites (82)
• 30 Amp
• Full Hookups (1)
• Water (81)
• Electric (81)
• Max Amps (30)
• Pull-thrus (3)
• Pull-thru Size (30 x 110)
• Back-ins (33 x 50)
• Site Length (110)

User Reviews

Strikeagle

May 16, 2025

This Idaho state park was a great place to camp. Very clean and well maintained. The grounds were beautiful, the campsites were clean with functioning hookups, the bathrooms and showers were clean and the History Center on property was done very well. All the employees were helpful and friendly. The city center of Glenn’s Ferry was walkable (approximately 2 miles) and was very nice with historical points along the way. I personally would recommend camping in the upper loop or the lower loop for the views of the Snake River, but both areas are very nice. Don’t pass up going to the History Center, it is bigger than I was expecting and I learned more than I thought I already knew about the Oregon Trail.

Dale Leffler

April 05, 2025

Very beautiful and a nice area for a picnic. The education center was very educational. Friendly staff and a huge camping areas, for bigger campers.

Andrew Erickson

April 02, 2025

Paved RV sites with water electric only on the lower section, gravel sites for the upper area (better views though). The park staff are friendly and helpful. Nice trails, frisbee golf and Oregon trail info center.

Eric Barney

March 28, 2025

Always fun and a great place for am early spring camping trip. Park is clean, the staff is friendly and the disc golf is top notch. Parkside 10 is the most fun for beginners, the entire course will challenge everyone.

Jeffrey Williams

September 30, 2024

We stayed one night on our travel back home. It’s a state of Idaho RV camping park. Well maintained. You can call make reservations in advance. Drive-in like we did, but you can only stay for one night.

Christen Anderson

February 25, 2022

Great campground. Wildlife, bicycling, hiking, fishing and the Oregon Trail Visitors Center is a real highlight.

Gene

February 14, 2022

Looks like a nice park. Thought it was closer to the water. Fairly large campsites.

Katia Jesson (Catherine)

December 02, 2021

Campground open December 1st! Driving through and needed a place to stay the night and was happy one loop of campground was open and almost empty. Self register. $42 seemed a bit pricey for nonresident in off season since all amenities including water were turned off. Did get electric hook-up. Parking pad was level gravel. Could fit larger RV in some spots Could hear train all night. Left early so no time to enjoy park. Convenient access off highway only a few miles.

Kelly Walton

September 08, 2021

A very beautiful park. Big Rig Friendly. Spacious sites with lush green grass. Quiet with the exception of the occasional train. Gorgeous sunsets! Highly recommend park and a Must See Oregon Trail Interpretive Center.

John Lathrop

March 13, 2021

Great history lesson. We like the disc golf course.

Map for Three Island Crossing

Contact information