Castle West Peak rises to 3,517 feet in the remote northern tier of New Hampshire, between the North Stratford area and the Nash Stream watershed. The summit is entirely trailless, and reaching it requires off-trail navigation through forest the whole way. Access begins on logging roads off Brown Road, where hikers park at a locked gate and then cut into the woods at around 2,350 feet to begin the bushwhack. The ascent passes mostly through open hardwood and mixed forest, with some thicker patches and minor blowdowns. Small cliff bands on the northwest ridge between roughly 2,800 and 3,000 feet are avoidable with careful route-finding.
A blowdown patch near the summit canister opens a directional view south across the surrounding ridges and lowlands. Absent that opening, the summit is otherwise densely wooded and offers no long-range views. Because the terrain is entirely trailless and the access road requires a high-clearance vehicle, Castle West sees very little foot traffic. Hunters use the area in fall, so bright clothing is advisable during that season. Winter ascents are possible but considerably more demanding given the remoteness and typical snow accumulation in this part of northern New Hampshire.