Fee: $5/vehicle motor vehicle entry fee; camping $15-$50/night
About this park
Henrys Lake State Park sits at about 6,470 feet above sea level, beneath the Centennial Mountains near Island Park. The high-mountain lake is a striking setting, with big sky and mountain views in nearly every direction. Anglers travel here for the lake's cutthroat-trout hybrid fishing, which is considered some of the best in the region. The park also offers boating, birdwatching and camping, and moose are sometimes spotted along the shoreline. Entry is $5 per vehicle, and camping costs $15 to $50 per night. The park's location close to Yellowstone National Park makes it a handy base for a wider Greater Yellowstone trip.
Henrys Lake State Park FAQ
Where is Henrys Lake State Park located?
Henrys Lake State Park is in Island Park, Idaho, at 3312 S Hwy 20. GPS coordinates: 44.6411, -111.3239. Get directions.
Is there an entrance fee at Henrys Lake State Park?
$5/vehicle motor vehicle entry fee; camping $15-$50/night. Fees can change by season, so confirm with the park before you go.
How do I contact Henrys Lake State Park?
You can call (208) 558-7368 or email info@idpr.idaho.gov. The park office can confirm RV site availability, hookups, length limits and current conditions.
Are there RV campgrounds near Henrys Lake State Park?
Yes. The closest RV-friendly campgrounds listed on ParkedRV are:
- Flat Rock (Idaho) (10.0 mi, reservable)
- Big Springs Grp. Area - Island Park (10.5 mi, reservable)
- Upper Coffee Pot (10.6 mi, reservable)
How current is this information about Henrys Lake State Park?
This listing was last updated on September 21, 2026. If something is out of date, let us know and we'll fix it.