Massacre Rocks State Park near American Falls combines Snake River scenery, Oregon Trail interpretation and outdoor recreation. Register Rock is a separate nearby stop within the park experience.
Plan your visit
3592 N Park Ln, American Falls, Idaho 83211
- Admission
- Vehicle entry/pass requirements and overnight fees apply; check current rates
- Hours
- Day use generally 7 a.m.-10 p.m.
- Parking
- Parking arrangements need confirmation
- Restrooms
- Flush and vault toilets; confirm seasonal service
- Access
- ADA cabin, campsite and restroom identified by the park
- Setting
- Outdoor
Photos have not been added to this listing yet.
🌳 Amenities & Features
- Hiking and interpretive areas
- Picnic areas and river access
- Disc golf, including a short course
- Camping and cabins by arrangement
- Restrooms and seasonal services
💡 Good to Know
- Day-use hours are generally 7 a.m.-10 p.m., subject to the park manager's posted changes.
- The main disc golf course includes steep terrain and ravines; choose an appropriate route for children.
- Check camping/cabin availability and fees separately from vehicle admission. Keep pets on a six-foot leash.
Listing review date: 2026-10-15