Summer 2023 Update:
For details on daily summer special events and activities, please call the park directly at 208-558-7532
Due to problems with the drain field, the Dump Station at Henrys Lake State Park remains closed and will likely be closed for the 2023 season as well.
Alternate Dump Stations are:
- Bing Lemke Forest Service Dump Station, Last Chance, 20 miles south of the Henrys
- Ashton Visitor Center, 43 miles south
- Grizzly RV is available in West Yellowstone, 15 miles east.
The only sewage dump at the park will be the FULL hook-up sites.
We are sorry for the inconvenience.
Location: 15 miles W of Yellowstone National Park | 138 miles N of Pocatello, ID | 300 miles N of Salt Lake City, Utah| 369 miles E of Boise, ID
- Boat Ramp/Launch
- Dump station
- Fire Rings
- Firewood Sales
- Fish Cleaning Station
- Indoor Restrooms
- Indoor Showers
- Life Jacket Loaner Station
- Picnic Areas
- Swimming - Lake/River
- Vault Toilets
- Water - Drinking
- RV Campsites
- Tent Campsites
Boating: Ramp, launching dock
Trail Types: Hard path (ADA); hike, bike
ADA Accessibility features:
- ADA Boat Ramp
- ADA Cabin
- ADA Campsite
- ADA Restroom
- ADA Trail
Coordinates: 44.6164, -111.3677
Overnight: 83 serviced sites, 3 cabins (one ADA), 3 designated ADA campsite
Nearby: ATV and Nordic trails, Yellowstone National Park, Harriman State Park, golf, Mesa Falls Scenic Route, Fort Henry Historic Byway, horseback riding on Nez Perce Trail
Wifi Info: WiFi hotspot is available near the Adam's Loop Bath House and near the Caddis Loop Bath House
Learn: Junior Ranger program, campfire programs, guided hikes
Visitor Center: No
Museum Available: No
Junior Ranger Program: Yes
Loaner Fishing Rods: Yes
Loaner Backpacks: No
Address: 3917 E. 5100 N.
Island Park, ID 83429
Phone: (208) 558-7532 Summer | (208) 558-7368 Winter
Hours of Operation: Day-use locations within state parks are open from 7 am to 10 pm, per Idaho state code 26.01.20 (5). Day-use hours may change based on park manager discretion.