Hannah S.
10/29/2023
Quite a magnificent natural wonder - highly recommend if you're visiting the area. The Madison Boulder is a ~5,000 ton glacial erratic made of granite - which makes sense since it's found in the...
Madison Boulder
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(3)
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473 Boulder Rd
Madison, NH 03849
Madison Boulder Natural Area, located in Madison, NH, is home to the largest known glacial erratic in North America and one of the largest in the world. This 17-acre park, acquired by the state of N.H. in 1946, showcases an enormous granite rock measuring 83 feet in length, 23 feet in height above the ground, 37 feet in width, and weighing upwards of 5,000 tons. Designated a National Natural Landmark by the U.S. Department of the Interior in 1970, Madison Boulder is a remarkable testament to the power of glacial activity and offers visitors a unique glimpse into our glacial past.
Visitors to Madison Boulder Natural Area can explore the park's trails, enjoy outdoor recreational activities such as hiking and camping, and even bring their pets along to experience the beauty of this natural wonder. With its rich geological significance and stunning landscape, Madison Boulder Natural Area is a must-visit destination for nature enthusiasts and those seeking to immerse themselves in the wonders of New Hampshire's natural heritage.
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5.03 reviewsKaren S.
10/8/2024
After a short trail hike, you'll see the boulder around a bend. It is massive and interesting to see. The road getting to it is gravel and very rough but manageable.
Karen 2.
3/31/2023
this is a super cool spot to see!! there's not much for parking. the walk out is quite short. very big rock!! nice.
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