Carved by ancient glaciers and shaped over thousands of years, the Western White Mountains are a natural playground where adventure and discovery go hand in hand. From towering granite walls and rushing waterfalls to hidden caves and winding gorges, this region offers some of New England’s most fascinating geological wonders. Whether you’re exploring boardwalk trails through boulder caves, standing beside a dramatic boulder, or climbing to panoramic summit views, these family-friendly attractions turn the outdoors into an unforgettable, hands-on experience—where every step tells a story millions of years in the making.
Lost River Gorge & Boulder Caves
Located in the heart of Kinsman Notch in North Woodstock, the Lost River Gorge & Boulder Caves is a popular natural geological attraction for all ages to enjoy. Formed over 300 million years ago during the last Ice Age, Lost River Gorge is filled with blocks of granite, boulder caves, and waterfalls. Open daily from May through October; there are tons of things to see and do at Lost River Gorge.
Loon Mountain Caves
Catch a ride on New Hampshire’s longest scenic gondola ride with the Loon Mountain Gondola Skyride to the summit of Loon Mountain. First, take in the 360-degree panoramic views of the White Mountain National Forest from the 50-foot Hebert’s Observation Tower. Next, explore the glacial caves that were deposited on top of the summit during the last ice age. Follow the signs and weave and wander through the caves at your own pace.
Flume Gorge
Next to the Old Man of the Mountain, the Flume Gorge is one of the western White Mountain’s most iconic attractions. First discovered in 1808 by “Aunt” Jess Guernsey, the Flume Gorge has been a destination for millions of visitors over the past centuries. While the famous hanging boulder was washed away in a landslide in 1883, the 90-foot granite walls and other natural features are worth the visit to see with your own eyes.
Open from May through October; the Flume Gorge is perfect for the whole family to enjoy. Kids will love the Flume Gorge Scavenger Hunt while grandma will love the picturesque Flume Covered Bridge. Spanning over the Pemigewasset River, the Covered Bridge is one of the oldest in the state. Other natural wonders in the park include Table Rock, Avalanche Falls, and Liberty Gorge.
Discover the natural beauty of the western White Mountains with the many natural geological wonders of the area.
The Basin
After seeing the Basin for the first time in 1839, Henry David Thoreau said it was “perhaps the most remarkable curiosity of its kind in New England.” Located conveniently at Exit 34A off I-93, the Basin is a geological masterpiece. Formed approximately 15,000 years ago, the 30-foot-wide, 15-foot-deep granite bowl is a pool of cold blue water that cascades down several granite cliffs in a dramatic effect.
Just a short walk through the woods along a well maintained path, there’s no reason to miss this gem.
Polar Caves
Offering family-friendly adventures since 1922, the Polar Caves are a “can’t miss” stop while in the Western White Mountains. The caves were formed during the last ice age, which through the movement of the glacier forced giant granite boulders to the base of what is now Hawk’s Cliff. Passageways were formed throughout the boulders, which have become even more accessible thanks to the boardwalks and stairs that have been built!
There are a total of nine granite caves to explore – including Fat Man’s Misery and The Lemon Squeeze! Polar Caves also features an animal exhibit, which hosts European Fallow Deer and a huge variety of people-loving ducks. You can even purchase treats in the main lodge to feed them! Lastly, don’t forget to stop in at the gift shop for a memorable souvenir to take home with you.
For state-wide information, head to VisitNH.gov.
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