THE ARENAC COUNTY LAND BRIEF
Land in the
Tawas Lake Plain setting.
Arenac County has 363.2 square miles of land in Michigan. 2 mapped landscape regions meet across Arenac County: Tawas Lake Plain, Saginaw Lake Plain.
Glacial hills, till plains, sandy outwash and old lake basins create a varied northern landscape. Conifer and hardwood forests surround many lakes across these glacially shaped uplands.
Regional context: Northern Lakes and Forests ↗ · Regional mapping across the county footprint
Where the landscape changes
Arenac County intersects 2 mapped regional units. The largest mapped shares are:
- Tawas Lake Plain91.3%
- Saginaw Lake Plain8.7%
Huron/Erie Lake Plains in Arenac County
A broad former lake plain is interrupted by old beach ridges, dunes and glacial moraines. The landscape is mostly low-relief, with important differences between sandy rises and lower ground.
Read the regional source ↗Finding your parcel within Arenac County
The atlas lists 18 cities, towns, townships, and Census communities associated with Arenac County, including Arenac, Adams, Deep River. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Arenac County by land and water
The Census records 317.5 square miles of water within Arenac County, or 46.6% of its total area. That share is close to Arenac County’s 46.6%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Arenac County has 159.4 times the land area of nearby Au Gres city (2.28 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Bay County, Gladwin County, Huron County, Iosco County, Ogemaw County within Michigan. A tract near one of these lines should be matched to the county identifier on its own records.

