Every named river in the Adirondack Park — the Hudson, the Moose, the Raquette, the Sacandaga, and the rivers that drain the High Peaks.
The Boreas River drains north from the Boreas Ponds tract into the Schroon Lake watershed — a long, quiet flow that mostly runs through the interior of what was private timber land until New York purchased the Finch, Pruyn parcels in the mid-2010s. The river corridor is largely undeveloped and remote, accessible primarily from old logging roads that now serve as multi-use trails threading through the tract. It's overshadowed by the higher-profile Boreas Ponds themselves and the backcountry lake destinations to the south, but the river valley offers genuine interior solitude for paddlers willing to navigate wood and beaver work. Check DEC trail maps for current access points — the tract is still evolving as a public recreation area.