Three Island Crossing State Park
00 review1083 S Three Island Park Dr, Glenns Ferry, Idaho, 83623-5096, United States
Three Island Crossing State Park
$7.00 - $42.00 / night
Campsite Fees
Standard Site Fee$0.00
Hookup Site Fee$36.00
Premium Site Fee$0.00
Hike and Bike Site Fee$0.00
Group Site Fee$0.00
Food Storage Locker Fee$0.00
Camping fees vary by type of accommodation, starting from $7 for day use and up to $42 for non-resident camping during the off-season. A $7 Motor Vehicle Entrance Fee (MVEF) is applicable for all vehicles entering Idaho State Parks.
About this campground
Where the mighty Snake River once challenged pioneer wagons, Three Island Crossing State Park now welcomes modern adventurers seeking connection with the American frontier. This tranquil riverside sanctuary blends spacious campsites beneath protective canopies of mature trees with meticulously maintained facilities and captivating historical exhibits that bring the Oregon Trail to life.
The park provides various types of camping accommodations, including RV, tent, and cabin options. Group camping is also available.
Historical SignificanceStep into living history at the Oregon Trail History & Education Center, where the epic stories of pioneer families, Native American heritage, and the great westward migration unfold through immersive exhibits. This sacred crossing point witnessed thousands of covered wagons attempting the treacherous river passage, making it one of the most pivotal locations along America's most famous trail.
Weather and SeasonsThe high desert climate creates a dramatic seasonal tapestry that shapes every camping experience. Winter transforms the landscape into a crisp, quiet wonderland with bone-chilling temperatures and crystal-clear skies. Summer blazes with intense sunshine and azure heavens perfect for stargazing. For those seeking the sweet spot, spring and fall deliver gloriously temperate days ideal for exploring both the historic grounds and scenic river trails.
ElevationPerched in Idaho's characteristic high desert terrain, the park occupies a unique ecological niche where the Snake River has carved its ancient path through the arid landscape, creating an oasis of life in the rain shadow of distant mountains.
Natural Features and SceneryGolden prairie grasses dance in the breeze against an endless canvas of brilliant blue sky, while the Snake River winds its timeless course through the heart of the park. This surprising oasis defies the surrounding desert with emerald lawns and towering shade trees that create cool refuges throughout the campground, offering stunning riverside vistas at every turn.
Geological RegionThe park showcases nature's resilience in Idaho's high desert ecosystem, where the life-giving Snake River has transformed an otherwise austere landscape into a verdant ribbon of cottonwoods and willows. This remarkable contrast between the surrounding sagebrush steppe and the lush campground demonstrates the river's powerful influence on this ancient geological canvas.
Campsite details
AccessibilityADA access is available throughout the park, including in cabins and group facilities.
Sites SizeSites are large, well-spaced, and can accommodate bigger rigs. Pull-through options are available, and the gravel parking pads are level.
Sites PrivacyThe campsites offer varying levels of privacy, with the upper loop offering more spaced-out sites compared to the lower loop.
Total Campsites0 campsites
Recommended CampsitesUpper campground loop is less affected by mosquitoes and more spacious. Lower loop is closer to fishing trails. Sites near the winery are recommended for convenience.
Best CampsitesSite 3 and pull-through sites 81 & 82 for large rigs.
Reserving a campsite
Check-in
1:00 PM
Check-out
Null
Stay Limit
Maximum stay limits are unclear, but reservations are recommended long in advance.
Guests Allowed Per Site
Exact guest limits per site are not listed.
Groups
Group camping sites are described as accommodating larger gatherings. Companion sites allow two groups to share under a higher rate.
Tents
Tents are allowed
RV vehicles
RV vehicles are allowed
Primitive
Primitive are not allowed
Reservable
Reservations are allowed
Site layoutTwo main loops: Upper loop has larger, well-spaced sites; Lower loop has tighter sites but closer to trails.
Open and Closed SeasonCamping is available year-round, with reduced amenities in the off-season. Water is turned off during cold weather.
Reservation PlatformsReservations can be made online. Walk-up availability is limited and often booked in advance.
Walk-in AvailabilityReviews indicate limited walk-up availability with high demand during peak periods.
Cancellation PolicyCancellation policies are not explicitly detailed.
Accomodation available
GroupGroup campsites are offered for larger parties such as families, schools, or organizations. These sites provide space and facilities to accommodate multiple people camping together.
Cabin lodgingCabin lodging is available for campers seeking a more sheltered and comfortable experience. These enclosed accommodations offer protection from the elements and are ideal for those who prefer not to camp in tents.
Amenities available
Showers
Potable water
Fire rings
Picnic tables
Dump station
Cell phone service
Firewood available
Lodging and accommodations
Flush toilets
Electricity hookups
Water hookups
Camp Store
Activities you can enjoy
The park offers a variety of recreational activities, including hiking, fishing, and wildlife viewing. The Oregon Trail History & Education Center provides cultural and educational experiences. Visitors can also enjoy sports like horseshoes and disc golf.
Hiking
Hiking trails are rated as easy and include historical interpretive trails along the Oregon Trail. Visitors have praised the trails as informative and scenic.Fishing
Fishing is available along the Snake River, although specific details about fish species are not mentioned.Boating
Boat launch ramps are available less than a mile from the park. However, the boating area requires driving two miles away from the park.Wildlife viewing
Wildlife such as deer, beavers, and various bird species can be observed within the park.Cultural and Educational Programs
The Oregon Trail History & Education Center offers insights into pioneer and Native American history. There are also signs throughout the park sharing historical information.Winter Activities
Winter camping is available, with one loop remaining open during colder months.Water Sports
Non-motorized water sports are not specifically mentioned, and there is limited access to the river for such activities.Campground rules
- Pets are allowed
- Campfires are allowed only in designated fire rings and grills.
- Quiet hours are 10:00 PM - 7:00 AM
Hazards
General hazardsPotential hazards include noise from trains, occasional bugs, and goatheads that can puncture tires.
Active alertsNone mentioned.
Weather forecast
72
°F
Aug 26
Tuesday
Clear sky
Precipitation: 0%
Gentle breeze, perfect for outdoor activities
Humidity: 63%
Moderately humid conditions
Wind: 3.1 mph
Gentle breeze, perfect for outdoor activities
Clear sky
7-Day Forecast
Access to 7-day forecasts tailored to each campground—covering temperature, precipitation, wind, and sky conditions.
Daily & Hourly Insights
View hourly forecasts with expected weather patterns throughout the day.
Temperature Trends
Visualize how temperatures shift over the month to help pick the most comfortable days for your trip.
Precipitation Trends
Plan around rain or snow with monthly visualizations of expected precipitation patterns.
Weather Summaries
Assess conditions with visuals for easier decision-making on when and where to camp.
Weather data powered by Open-Meteo
Emergency Services
Mountain Home Medical Clinic, approximately 30 miles away; Glenns Ferry Police Station and Fire Department are within the town.
Good to know
Peak season datesPeak season appears to include summer months, with off-season during winter.
Trash and recyclingTrash bins are accessible within the campground, but one reviewer suggested 'They need accessible trash bins.'
Proximity to water featuresThe Snake River runs alongside the park, but water access is limited for swimming.
Common complaintsNoise from nearby trains and occasional maintenance issues regarding sprinklers and grass care. Some users have also complained about unfriendly staff interactions.
HostCampground hosts are available and helpful according to multiple reviews.
Campground Map
1083 S Three Island Park Dr, Glenns Ferry, Idaho, 83623-5096, United States
Driving directionsWestbound on I-84, exit at mile marker 121, turn left on 1st Ave, turn left on Commercial Ave. Turn right on Madison Ave and travel approximately 1 mile to park entrance. Eastbound on I-84, exit at mile marker 120, turn right on Bannock. Left on 1st Ave, right on Commercial Ave, right on Madison and travel approximately 1 mile to park entrance.
The park is conveniently located off the freeway, just four miles from I-84, making access easy. Roads to the park are paved, but users have noted occasional noise from trains nearby.Nearby places
Glenns Ferry (approx. 2 miles)
Mountain Home (approx. 30 miles)
Boise (approx. 60 miles)
Nearby supplies
Nearby supplies include a grocery store, fuel stations, and first aid supplies within 10 miles. Additional amenities like restaurants and a winery are less than 1 mile away.
Camper Reviews
0.0
0 reviews
Three Island Crossing State Park has limited reviews, placing it in the bottom % of campgrounds based on reviews
Reviews highlight the park's beauty, spacious sites, and cleanliness. The Oregon Trail History Center and shaded campsites are frequently praised. Some concerns include train noise and the lack of swimming areas.
Review Summaries
What Campers Love
Lush green grass, large and well-spaced sites, friendly staff, rich history, clean facilities, and excellent water pressure.
Common Concerns
Train noise, mosquitoes, lack of swimming access, and reduced service due to COVID-related restrictions.
Pro Tips & Recommendations
Book reservations well in advance, especially for the upper loop, as it offers more privacy and fewer mosquitoes.
Seasonal Insights
Users find summer camping enjoyable but note high temperatures. Winter camping is quieter and less crowded, but some amenities may be limited.
Camper Quotes
1. 'Gorgeous sunsets! Highly recommend park and a must-see Oregon Trail Interpretive Center.' - Kelly Walton. 2. 'There is no cost to go into the museum, but they do ask for a donation.' - Josh...
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Site-Specific Reviews
Pull-through lots 81 and 82 are recommended for larger rigs. Site 3 in the upper loop is spacious and ideal for long vehicles.
Accessibility Features
ADA features are noted in cabins and group facilities. No specific issues were highlighted for users with disabilities.
Pet-Friendly Features
The park is pet-friendly, but pets must be leashed. Some reviewers complained about unleashed dogs entering campsites.
Last updated August 10, 2025