Idaho
Thousand Springs State Park
Verified by America’s State Parks Editorial Team – Updated February 2026
Snake River’s Spring-Fed Cascades
Thousand Springs features spectacular springs bursting from canyon walls—water from the Lost River emerges 100+ miles away as dramatic waterfalls into the Snake River!
Units
| Unit | Highlight |
|---|---|
| Ritter Island | Historic site, gardens |
| Malad Gorge | 250-ft deep canyon |
| Earl M. Hardy | Box Canyon springs |
Where does the water come from?
The springs are fed by the Lost River—water that sinks underground near Arco travels 100+ miles before emerging here!
Last updated: February 20, 2026


