Antediluvian Mountain rises to 2,313 feet in the northern Adirondacks, trailless and remote. The name dates to early surveys; today it sees few visitors and requires bushwhacking from the nearest access roads.
Free, takes thirty seconds. Yours forever.
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Write a field note →Wrong elevation, outdated access notes, a coordinate that's drifted.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.
Suggest an edit →
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.