Lamentation Mountain is known for its scenic vistas, extensive cliff faces, unique microclimate ecosystems, and rare plant communities.

The cliff line, described by the Connecticut Forest and Park Association as "perhaps the most scenic traprock ridge walk in the state" is a prominent landscape feature visible for miles.

Crescent Lake, (formerly called Bradley Hubbard Reservoir), lies nestled in the gap between Lamentation Mountain and Chauncey Peak.

Another, lower extension continues 8 miles (13 km) north culminating in the uplands of Rocky Hill, Connecticut.

Subsequent faulting and earthquake activity tilted the strata, creating the cliffs and ridgeline of Lamentation Mountain.

Hot, dry upper slopes, cool, moist ravines, and mineral-rich ledges of basalt talus produce a combination of microclimate ecosystems on the mountain that support plant and animal species uncommon in greater Connecticut.