PARK UPDATE:
Dump Station Remains Closed
Due to problems with the drain field, the Dump Station at Henrys Lake State Park remains for the 2025 season.
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.
Park Reservations
By phone: 1-888-9-CAMPID or 1-888-922-6743
Download Henrys Lake Maps
Location Map
Trail Map (Topo / Color)
Trail Map (Aerial / Color)
Trail Map (B/W)
Current Conditions
Contact the Park
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.
