THE LYCOMING COUNTY LAND BRIEF
Land in the
Unglaciated High Allegheny Plateau setting.
Lycoming County has 1,228.9 square miles of land in Pennsylvania. 7 mapped landscape regions meet across Lycoming County: Unglaciated High Allegheny Plateau, Northern Dissected Ridges and Knobs, Glaciated High Allegheny Plateau, among others.
Forest-covered plateau surfaces, high hills and low mountains are underlain by layered sedimentary rocks. Most of this region escaped continental glaciation, leaving deeply cut upland terrain.
Regional context: North Central Appalachians ↗ · Regional mapping across the county footprint
Where the landscape changes
Lycoming County intersects 7 mapped regional units. The largest mapped shares are:
- Unglaciated High Allegheny Plateau34.7%
- Northern Dissected Ridges and Knobs23.5%
- Glaciated High Allegheny Plateau20.8%
- Northern Sandstone Ridges9.1%
- Northern Limestone/Dolomite Valleys5.3%
Ridge and Valley in Lycoming 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 ↗Northern Allegheny Plateau in Lycoming 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 ↗Finding your parcel within Lycoming County
The atlas lists 57 cities, towns, townships, and Census communities associated with Lycoming County, including McHenry, Pine, Brown. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Lycoming County by land and water
The Census records 15 square miles of water within Lycoming County, or 1.2% of its total area. That share is close to Lycoming County’s 1.2%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Lycoming County has 73.7 times the land area of nearby Hepburn township (16.7 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Bradford County, Clinton County, Columbia County, Montour County, Northumberland County, Potter County, Sullivan County, Tioga County and other counties within Pennsylvania. A tract near one of these lines should be matched to the county identifier on its own records.

