The mountain is located within Hancock, Massachusetts. The ridgeline continues south from Berry Hill as Berry Mountain; it continues north as Honwee Mountain. Berry Hill is bordered by West Hill to the west across the Wyomanock Creek valley. The west side of the mountain drains into Berry Pond Creek, then Wyomanock Creek, thence into Kinderhook Creek, the Hudson River and Long Island Sound. The east side drains into Lulu Creek, thence into Onota Lake, the Housatonic River, and Long Island Sound.