State Park

Three Island Crossing State Park

Elmore County, IdahoAbout 513 acres
Status
Open (per official listing)
Entrance fee
$7Annual pass available
Day-use reservations
None mentioned
Dogs
Statewide rule — see below6-ft leash
Camping
Yes
Official site
parksandrecreation.idaho.gov(208) 366-2394

Official page last checked Oct 29, 2026. Details last changed Oct 29, 2026. How we keep this current

Current alerts 1

Partial closure Park updateOregon Trail History Center is open daily 9am to 4pm. Closed on Holidays. SPRING 2026 UPDATE • All water has been turned on in the Wagon Wheel and… (more)

Oregon Trail History Center is open daily 9am to 4pm. Closed on Holidays. SPRING 2026 UPDATE • All water has been turned on in the Wagon Wheel and Trailside Campgrounds and dump stations • Restrooms with showers are located in both campgrounds and the day-use area. • Wagon Wheel Campground is reservable all year long. • Campsite check-in time is 2 pm. And checkout time is 1 pm. Cabins • Cabins require reservations year-round, and they must be made at least 24 hours prior to the arrival date. The Cottonwood and Sage Cabins close November through mid-March. • Cabin check-in time is 3 pm. And check-out time is 11 am. • These times are being strictly enforced. If you arrive before 2 pm., you may park in the overflow parking area and visit the rest of the park Motor Vehicle Entrance Fee $7 Dump Station Fee $10

Posted by the park. Official alert

Overview

In Elmore County, in Glenns Ferry, Three Island Crossing State Park covers about 513 acres.

Things to do include golf, horseback riding, disc golf, historic sites, and biking. Camping is available: campsites, including tent sites and showers.

Hours

Park, gate, office and facility hours are listed separately because they often differ. Alerts above override normal hours.

FacilityDaysHoursSeason
ParkThe Oregon Trail History and Education Center is open seven days a week during peak season. Closed on most Holidays. Call ahead to ensure the Center is open.
Official wording

The Oregon Trail History and Education Center is open seven days a week during peak season. Closed on most Holidays. Call ahead to ensure the Center is open.

Source: official park page, checked Oct 29, 2026. Times are local to the park (America/Boise).

Fees and passes

ItemAmount
Motor Vehicle Entrance Fee$7
Motor Vehicle Entrance Fee$10
All motor vehicles entering the park must pay the$7 · year
$25 per day use fee$25 · day
$25 reservation fee$25
Official wording

Motor Vehicle Entrance Fee $7 Dump Station Fee $10 All motor vehicles entering the park must pay the $7 entrance fee or display a valid Idaho State Parks Passport and or annual Motor Vehicle Entry Fee pass. $25 per day use fee $25 reservation fee

Idaho park passes

  • Idaho State Parks Passport — $10 per vehicle per year (Idaho residents, bought with vehicle registration). Waives the motor vehicle entrance fee at Idaho state parks; camping and other fees still apply; not valid for Park N' Ski Details
  • Motor Vehicle Entry Fee (MVEF) Annual sticker — $80. Waives the daily motor vehicle entrance fee (aimed at out-of-state guests) Details

From the Idaho state guide. Confirm which passes this park accepts.

Reservations

Day use
No day-use reservation requirement mentioned
Booking system
IDPR reservation system (getoutside.idaho.gov)
Phone
1-888-922-6743

Check availability and book

We link to the official booking system rather than showing live availability, which changes minute to minute.

Pets

See the park’s wording · leash up to 6 feet

Pets: Yes on a 6-foot leash

Service animals are generally permitted where pets are not. Check with the park for specific areas.

Camping

Overnight: 82 serviced campsites (1 ADA), 8 cabins (2 ADA) General accommodations: Cabins, RV Campsites, Tent Campsites

From the official park page, checked Oct 29, 2026. Site counts and prices can change; confirm when booking.

Cabins and lodging

  • Conference Room

Conference Room • Located in the Oregon Trail History and Education Center • $25 per day use fee • $25 reservation fee • 60-person occupancy • 60 chairs • 11, 5-foot tables • 2, 6-foot tables • 2, 8-foot tables • Kitchenette • Restrooms nearby

Things to do

BikingWildlife viewing and birdingCampingGolfDisc golfHikingFishingHistoric sites and toursHorseback ridingRanger and interpretive programsPicnicking

Trails

Trail Types: • Hike • Bike

Amenities

Facilities

  • Restrooms
  • Flush toilets
  • Showers
  • Drinking water
  • Picnic areas
  • Picnic shelters
  • Amphitheater

Camping

  • RV dump station
  • Tent camping

Recreation

  • Golf course
  • Disc golf

✓ listed by the park · ✕ the park says it is not available. Anything not shown here isn’t mentioned by the official source — that means unknown, not unavailable.

Accessibility

ADA Accessibility Features: • ADA Cabin • ADA Campsite • ADA Restroom

Conditions change. Contact the park to confirm specific accessible features before your visit.

Getting there

Address
1083 S.Three Island Park Dr.
Glenns Ferry, ID 83623
Nearest town
Glenns Ferry
Coordinates
42.9447, -115.3181
Phone
(208) 366-2394
Email
thr@idpr.idaho.gov

Google Maps directionsApple MapsOfficial park map (PDF)

Directions from the park

Location: 72 miles E of Boise, ID | 211 miles W of Idaho Falls, ID | 270 miles NW of Salt Lake City, UT

Nearby state parks

Sources and freshness

“Last checked” is when our system last read the official source. “Last changed” (Oct 29, 2026) is when the information shown here last differed from the previous check. Hours, fees and rules can change without notice — confirm with the park before you go. Methodology

Report a correction for this park