Every named river in the Adirondack Park — the Hudson, the Moose, the Raquette, the Sacandaga, and the rivers that drain the High Peaks.
The West Branch of the Ausable River runs north from the flanks of Marcy and Basin, gathering the high-elevation drainage before joining the East Branch near the old Adirondak Loj Road intersection — this is the water that feeds into the Lower Ausable Lake system and eventually runs through Keene and Keene Valley. It's a quick, cold river with pocket water and plunge pools, accessible at multiple road crossings and trail intersections depending on how far upstream you're willing to hike. Brook trout hold in the deeper runs and undercut banks. The West Branch sees less trail traffic than the East Branch corridor, but it's still High Peaks water — expect company on summer weekends anywhere within an hour of a trailhead.
The West Branch Ausable River drains a steep watershed along the northwest side of the Adirondack High Peaks — running roughly parallel to NY-86 between Lake Placid and Wilmington before joining the main stem near the hamlet of Ausable Forks. Most of its upper course runs through private land and state forest access corridors, though multiple trail crossings intersect the river on approaches to peaks like Street, Nye, and the MacIntyre Range. The West Branch sees less angler traffic than the East Branch (the legendary fly-fishing water near the Ausable Club), but it holds wild brook trout in the pocket water and offers solitude if you're willing to bushwhack or hike in from highway pull-offs. Water levels fluctuate hard — a trickle in August, a torrent during spring snowmelt and fall rains.
