THE NORTHWEST HILLS PLANNING REGION LAND BRIEF
Land in the
Berkshire Transition setting.
Northwest Hills Planning Region has 786.6 square miles of land in Connecticut. 6 mapped landscape regions meet across Northwest Hills Planning Region: Berkshire Transition, Lower Berkshire Hills, Southern New England Coastal Plains and Hills, 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
Northwest Hills Planning Region intersects 6 mapped regional units. The largest mapped shares are:
- Berkshire Transition44.8%
- Lower Berkshire Hills22%
- Southern New England Coastal Plains and Hills19.9%
- Western New England Marble Valleys11.8%
- Taconic Mountains1.4%
Northeastern Coastal Zone in Northwest Hills Planning Region
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 Northwest Hills Planning Region
The atlas lists 37 cities, towns, townships, and Census communities associated with Northwest Hills Planning Region, including Sharon, Salisbury, Litchfield. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Northwest Hills Planning Region by land and water
The Census records 21.5 square miles of water within Northwest Hills Planning Region, or 2.7% of its total area. That share is close to Northwest Hills Planning Region’s 2.7%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Northwest Hills Planning Region has 18 times the land area of nearby Goshen town (43.6 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Capitol Planning Region, Naugatuck Valley Planning Region, Western Connecticut Planning Region within Connecticut. A tract near one of these lines should be matched to the county identifier on its own records.

