THE MORRIS COUNTY LAND BRIEF
Land in the
Glaciated Reading Prong/Hudson Highlands setting.
Morris County has 461 square miles of land in New Jersey. 7 mapped landscape regions meet across Morris County: Glaciated Reading Prong/Hudson Highlands, Reading Prong, Glaciated Triassic Lowlands, 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
Morris County intersects 7 mapped regional units. The largest mapped shares are:
- Glaciated Reading Prong/Hudson Highlands35.8%
- Reading Prong35.2%
- Glaciated Triassic Lowlands10.2%
- Passaic Basin Freshwater Wetlands10%
- Triassic Lowlands4.6%
Northern Piedmont in Morris County
Rounded low hills, open valleys and irregular plains form a transition between Appalachian highlands and the coastal plain. The underlying geology mixes metamorphic, igneous and sedimentary rocks.
Read the regional source ↗Ridge and Valley in Morris County
Long, roughly parallel ridges and valleys follow folded and faulted rock layers. Limestone valleys, sandstone ridges and other geologic contrasts produce varied terrain and numerous regional springs and caves.
Read the regional source ↗Finding your parcel within Morris County
The atlas lists 70 cities, towns, townships, and Census communities associated with Morris County, including Washington, Rockaway, Jefferson. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Morris County by land and water
The Census records 20.5 square miles of water within Morris County, or 4.3% of its total area. That share is close to Morris County’s 4.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Morris County has 3,179.5 times the land area of nearby Victory Gardens borough (0.15 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Essex County, Hunterdon County, Passaic County, Somerset County, Sussex County, Union County, Warren County within New Jersey. A tract near one of these lines should be matched to the county identifier on its own records.

