"...The major tourist drawing feature is a small waterfall located in The Basin. Only a few feet tall, this small fall travels sideways down through narrow chute into a deep whirlpool. There is almost always at least one visitor to the falls at the Basin during all hours of sunlight..." Excerpted from the book with permission.
Links:

Styles Bridges Highway
US Highway 3 / Interstate Highway 93
Lincoln, New Hampshire 03251 USA