Thayer Lake is a 36-acre water body in the Siamese Ponds Wilderness, accessible via a 2.3-mile trail from the Thirteenth Lake trailhead. The lake holds brook trout and offers primitive shoreline camping under NYSDEC rules.
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.
From the people who’ve been here, plus what Google has on file.
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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Write a field note →Wrong elevation, outdated access notes, a coordinate that's drifted.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.
A complete planning guide: difficulty by peak, common combo days, seasonal realities, and a sortable, filterable table of every summit.
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.