Water-access at Niagara Springs, Crystal Springs Lake, and Box Canyon has been closed in response to the discovery of quagga mussels upstream at Centennial Water Park in Twin Falls. Visit agri.idaho.gov for updates and more information.
Official Government Website
PARK UPDATE:

PARK UPDATE:

ATTENTION: Dogs are not permitted beyond the parking lots. Harriman State Park of Idaho is a waterfowl and wildlife refuge. Dogs cannot be left unattended and must always be on a six-foot leash. Department employees may impound or remove any stray or unattended animals at the owner’s expense. (IDAPA 26.01. 20.175. 09)

There is a $7 Motor Vehicle Entrance Fee (MVEF) per vehicle to visit the Park. Your receipt tab from Harriman is also good for the day at Mesa Falls and Henrys Lake State Park. You can purchase a 2023 Annual MVEF Pass for $80 at Park Headquarters. Vehicles registered in the State of Idaho can purchase a $10 Idaho State Park Passport from the Department of Motor Vehicles.

Please Be Bear Aware! The season from May-September sees heightened bear activity in the park, requiring visitors to use extra caution when recreating. Please read park signage where posted, stop by the visitor center to speak with a Ranger, and be aware of your surroundings when visiting. Remember to make noise; travel in groups; only hike/bike during daylight hours.

Guided tours of the Historic Railroad Ranch buildings are available 10:00 a.m. – 3:00 p.m. on Friday, Saturday, and Sunday from Memorial Day Weekend to Labor Day.

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**Note: If you do not have a Facebook account, please use your phone or browser, and scroll to the very bottom of this page. There you can see the latest Harriman State Park posts, including conditions updates.

Current Conditions

Contact the Park

Address: 3489 Green Canyon Rd
Island Park, ID 83429
Phone: (208) 558-7368
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.

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