Lost River Gorge

Now OPEN for the 2023 season!
We look forward to your visit Thursday – Monday


Lost River Gorge & Boulder Caves

Lost River Gorge & Boulder Caves, located in New Hampshire’s Kinsman Notch, is a land of spectacular beauty forged by the powerful forces of nature.  Follow the wooden boardwalk trail through the gorge as it winds its way along the Lost River.  Explore jagged rock walls, gigantic boulders, rock-strewn glacial boulder caves, and cascading waterfalls.  Discover the Forest Adventure Trail, treehouse, and suspension bridge.  Elevate your experience by climbing into the Giant Bird Nest to observe a forest that stretches as far as the eye can see. 

1 mile of boardwalk trail. 11 boulder caves. 

“Gorge-ous” natural beauty.

Reserve Your Spot at New Hampshire’s Premiere Natural Attraction!

Lost River Gorge & Boulder Caves

Adventure, Redefined.