Photo via Wikipedia (Big Slide Mountain (New York)) ↗Big Slide Mountain rises to 4,240 feet in the Keene region, ranked 27th among the 46 High Peaks. Most climbers approach via The Brothers from the Garden parking area — a 9.7-mile round-trip with steady elevation gain and open summit ledges.
Closest parking lots within range, ranked by walking distance. Accessibility flags come from Google verified-data; surface and capacity from OpenStreetMap. Confirm hours and seasonal closures before you go.
+1 more on the map above
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Every page on this site gets better when readers contribute. Mark a peak you’ve climbed, drop a photo, file a field note, or flag a correction — every addition makes the next visitor’s page better.
Sunrise on the dock, a cairn at the summit, a bend on the trail. Your camera roll, our archive.
Add a photo →Trail conditions, water level, bug pressure, blowdown. The kind of detail that helps the next person plan.
Write a field note →Wrong elevation, outdated access notes, a coordinate that's drifted. We'd rather hear it than miss it.
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What to do, where to stay, and what's reopening across the Park as the snow melts and the calendar fills.
Overnight, day, and trip camps in the Park — the camp belt, choosing the right fit, costs and financial aid, ACA accreditation, and the questions every parent should ask before they commit.
Brook trout streams that have been here since the glaciers, lake trout in two hundred feet of cold water, smallmouth on every shoreline — and a sortable atlas of every major water in the Park.