Ritter Island is a seasonal unit of Thousand Springs State Park with spring-fed scenery, wildlife and historic buildings. Families can explore the island when its visitor season is open.
Plan your visit
1205 Thousand Springs Grade, Hagerman, Idaho
- Admission
- Confirm state-park day-use fees; lodging and venue rentals extra
- Hours
- Memorial Day weekend-Labor Day weekend; closed outside that season
- Parking
- Parking arrangements need confirmation
- Restrooms
- Current availability needs confirmation
- Access
- Narrow, steep approach road; confirm mobility needs
Photos have not been added to this listing yet.
Visitor update (October 15, 2026): The road to Ritter Island and the surrounding Idaho Power park are closed October 12-16, 2026 for road maintenance. This is in addition to Ritter Island's seasonal closure; the end of roadwork does not confirm that the island is open. Confirm access before traveling. Official visitor notice
🌳 Amenities & Features
- Spring and river scenery
- Wildlife viewing
- Historic buildings
- Three separately reservable rental homes
💡 Good to Know
- The state park lists island access from Memorial Day weekend through Labor Day weekend, with closure the rest of the year.
- Access address: 1205 Thousand Springs Grade (Wendell mailing address), in the Hagerman Valley. The map marks the approximate park area, not a verified entrance or parking space; confirm arrival directions with the park.
- The approach road is narrow and steep; the park advises against using a motorhome or towing a trailer on it.
- Rental houses and the wedding venue require separate reservations. Confirm access arrangements before booking or traveling.
Listing review date: 2026-10-15