THE ULSTER COUNTY LAND BRIEF
Land in the
Catskill High Peaks setting.
Ulster County has 1,124.2 square miles of land in New York. 7 mapped landscape regions meet across Ulster County: Catskill High Peaks, Catskills Transition, Hudson Valley, among others.
Forested hills and mountains span northern New England, the Adirondacks and higher Catskills. Glacial lakes and steep streams accompany a transition between northern hardwood and spruce-fir forests.
Regional context: Northeastern Highlands ↗ · Regional mapping across the county footprint
Where the landscape changes
Ulster County intersects 7 mapped regional units. The largest mapped shares are:
- Catskill High Peaks35.5%
- Catskills Transition20.6%
- Hudson Valley15.6%
- Northern Glaciated Shale and Slate Valleys11.3%
- Northern Glaciated Ridges7.4%
Northern Allegheny Plateau in Ulster County
Rolling hills, broad valleys and low mountains are mantled by glacial deposits. Sandstone, shale and siltstone underlie a mix of open land and woodland across the northern plateau.
Read the regional source ↗Northeastern Coastal Zone in Ulster County
Irregular plains and low hills form a coastal transition with glacial lakes and oak-pine woodland. This northeastern landscape is gentler than the mountainous country farther inland.
Read the regional source ↗Finding your parcel within Ulster County
The atlas lists 58 cities, towns, townships, and Census communities associated with Ulster County, including Wawarsing, Shandaken, Denning. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Ulster County by land and water
The Census records 36.5 square miles of water within Ulster County, or 3.1% of its total area. That share is close to Ulster County’s 3.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Ulster County has 288.9 times the land area of nearby Shokan CDP (3.89 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Columbia County, Delaware County, Dutchess County, Greene County, Orange County, Sullivan County within New York. A tract near one of these lines should be matched to the county identifier on its own records.

