New Hampshire — With its rugged mountain ranges, glacial history, and ancient granite cliffs, New Hampshire is a geological wonderland. From glacial erratics to natural gorges and massive ledges, these ten rock formations showcase the best of the Granite State’s wild beauty, making every hike and bumpy backroad well worth the effort.
1. Glen Boulder (Slide Peak, White Mountains)
Perched dramatically on Slide Peak, Glen Boulder is a massive glacial erratic that appears impossibly balanced against the sky. Hikers who reach it via the Glen Boulder Trail are rewarded with sweeping views of Pinkham Notch and the Presidential Range.
- Challenging alpine hike
- A favorite photo stop on the Glen Boulder Trail
- Formed by glacial movement during the Ice Age
2. The Watcher (Old Woman of the Notch)
Nestled on Eagle Cliff in Franconia Notch, The Watcher is a lesser-known but equally captivating rock profile—often referred to as the “Old Woman of the Notch.” While the Old Man of the Mountain collapsed in 2003, this natural sculpture continues to draw comparisons for its human-like features.
3. Cathedral Ledge (North Conway)
One of New Hampshire’s most famous rock faces, Cathedral Ledge is a sheer granite cliff offering panoramic views of the Mount Washington Valley. It’s a magnet for climbers, hikers, and those simply looking for a stunning drive-up viewpoint.
- Accessible by car or hiking trail
- Popular for sunset views and rock climbing
- Companion to nearby White Horse Ledge
4. Madison Boulder (Madison)
Recognized as one of the largest glacial erratics in North America, Madison Boulder is a massive rock measuring 23 feet tall and over 80 feet long, deposited by ancient glaciers. It’s also designated a National Natural Landmark.
- Easy access via Madison Boulder Natural Area
- Weighs an estimated 5,000 tons
- A must-see for geology enthusiasts
5. Sculptured Rocks Natural Area (Groton)
These water-carved rock formations have been sculpted over centuries by the Cockermouth River, creating deep pools, narrow canyons, and smooth potholes in the granite bedrock. It’s a natural swimming and photo hotspot in summer.
6. Flume Gorge (Franconia Notch State Park)
Perhaps the most iconic of all New Hampshire formations, Flume Gorge is a dramatic granite chasm carved by Flume Brook. The trail includes covered bridges, waterfalls, and towering 90-foot vertical walls.
- Well-maintained boardwalk trail
- A top destination in Franconia Notch
- Offers a rich look at New Hampshire’s geologic forces
7. Pawtuckaway Boulders (Pawtuckaway State Park)
These enormous glacial boulders are scattered across the park and are a haven for bouldering enthusiasts. Surrounded by dense forest and peaceful trails, they’re part of New Hampshire’s storied glacial past.
- Popular for rock climbing and hiking
- Suitable for beginners and expert climbers alike
8. The Basin (Franconia Notch State Park)
Carved by the Pemigewasset River, The Basin is a 33-foot-wide granite pothole created over 15,000 years ago. It’s a quick stop off I-93 and offers a peaceful, family-friendly destination with educational signage and short trails.
9. White Horse Ledge (North Conway)
Just across from Cathedral Ledge, White Horse Ledge is a massive sloping granite formation that attracts hikers and climbers alike. Together, these two ledges form one of New Hampshire’s best-known rock climbing hubs.
- Scenic loop trail with great valley views
- Commonly photographed from Echo Lake
10. Mount Monadnock Summit Ledges
At 3,165 feet, Mount Monadnock is famous for its rocky, bald summit, with broad granite ledges offering 360-degree views of southern New Hampshire and beyond. As one of the most climbed mountains in the world, it showcases the state’s igneous and metamorphic geology.
- Great for day hikes
- Panoramas stretching to Boston on clear days
Which of these rock formations have you seen, or which ones are on your adventure list? Join the conversation at NewYorkDailyGazette.com and help others discover the wild, beautiful rockscapes of New Hampshire.
