No site in New York's access file falls on Marcy Brook, so the way in is public ground and road crossings rather than a marked landing. 3 blocks of public land front Marcy Brook, and 6.9 of its 6.8 mapped miles run through them.
High Peaks Wilderness — state conservation department, 6.8 mi of this river, 275,300 acres in all
West Branch Ausable River — State Land, Fishing Access — NYSDEC, 0.09 mi of this river, 536 acres in all
South Meadow Brook — State Land, Fishing Access — NYSDEC, 0.04 mi of this river, 64 acres in all
Ownership from PAD-US as the state publishes it. Where a block has its own page, the name
links to it. The river miles are how far this river's drawn axis runs inside each block, measured here;
the acreage is the whole unit's, most of which is nowhere near this water.