No site in New York's access file falls on Otis Brook, so the way in is public ground and road crossings rather than a marked landing. 2 blocks of public land front Otis Brook, and 0.8 of its 6.2 mapped miles run through them.
Jay Mountain Wilderness — state conservation department, 0.67 mi of this river, 7,868 acres in all
East Branch Ausable River — Public Fishing Rights Easement — NYSDEC, 0.13 mi of this river, 519 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.