Three Island Crossing State Park

Star4.42
146 reviews
1083 S Three Island Park Dr, Glenns Ferry, Idaho, 83623-5096, United States

Quick Facts

2,520 ft

Price

$7 - $42/night

Booking

Reservable

Sites

Varies

Season

Year-round

Cell

Has Service

Pets

Very Pet Friendly

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Three Island Crossing State Park
$7.00 - $42.00 / night
Campsite Fees
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...
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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

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What Campers Say

4.42

Recommended

Based on 146 reviews

743 Google reviews

Most mentioned

cleanwaterstafffriendly

Some mention

noisetrain

"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."

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Campground Map

1083 S Three Island Park Dr, Glenns Ferry, Idaho, 83623-5096, United States

Three Island Crossing State Park

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.

Best Time to Camp at Three Island Crossing State Park

The 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.

Summer(Jun-Aug)
4.0 / 5

Summer is peak season with enjoyable camping and activities, though can be hot.

Fall(Sep-Nov)
4.0 / 5

Fall likely pleasant with fewer crowds and good weather implied in descriptions.

Best
Spring(Mar-May)
4.0 / 5
Top 11% in ID

Spring likely lush with wildlife and interpretive programming; mosquitoes noted by some.

Winter(Dec-Feb)
2.5 / 5

Campground open year-round but cold, water turned off and amenities reduced in winter.

Planning Tips
  • Peak Season: Peak season appears to include summer months, with off-season during winter.. Book 2-3 months ahead.
  • Operating Season: Camping is available year-round, with reduced amenities in the off-season. Water is turned off during cold weather.
  • Current Alerts: None mentioned.

About Three Island Crossing State Park

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.
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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.

Amenities available

Showers
Potable water
Electricity hookups
Flush toilets
Dump station
Fire rings

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.
HikingHiking trails are rated as easy and include historical interpretive trails along the Oregon Trail. Visitors have praised the trails as informative and scenic.
FishingFishing is available along the Snake River, although specific details about fish species are not mentioned.
BoatingBoat launch ramps are available less than a mile from the park. However, the boating area requires driving two miles away from the park.
Wildlife viewingWildlife such as deer, beavers, and various bird species can be observed within the park.
Cultural and Educational ProgramsThe 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
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Policies & Safety

Hazards & AlertsPotential hazards include noise from trains, occasional bugs, and goatheads that can puncture tires.
Active AlertsNone mentioned.

Weather at Three Island Crossing State Park

Reviews

4.4
146 reviews
Recommended
Recommended
Three Island Crossing State Park is recommended, placing it in the top 40% 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
Based on 146 reviews

What Campers Love

Lush green grass, large and well-spaced sites, friendly staff, rich history, clean facilities, and excellent water pressure.
Based on 146 reviews

Common Concerns

Train noise, mosquitoes, lack of swimming access, and reduced service due to COVID-related restrictions.
Based on 146 reviews

Pro Tips & Recommendations

Book reservations well in advance, especially for the upper loop, as it offers more privacy and fewer mosquitoes.
Based on 146 reviews

Seasonal Insights

Users find summer camping enjoyable but note high temperatures. Winter camping is quieter and less crowded, but some amenities may be limited.
Based on 146 reviews

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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Based on 146 reviews

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.
Based on 146 reviews

Accessibility Features

ADA features are noted in cabins and group facilities. No specific issues were highlighted for users with disabilities.
Based on 146 reviews

Pet-Friendly Features

The park is pet-friendly, but pets must be leashed. Some reviewers complained about unleashed dogs entering campsites.
Based on 146 reviews

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Last updated February 17, 2026
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