Where to see a North American River Otter in Massachusetts
The North American River Otter is recorded in the counties of 159 Massachusetts state parks (research-grade iNaturalist observations). Ranked by how often it is observed in each area:
- Manuel F. Correllus State Forest
- Joseph Sylvia State Beach
- Martha's Vineyard State Forest
- Wachusett Mountain State Reservation
- Leominster State Forest
- Purgatory Chasm State Reservation
- Douglas State Forest
- Upton State Forest
- Moore State Park
- Wells State Park
- Quinsigamond State Park
- Watatic Mountain State Wildlife Area
- Bolton Flats Wildlife Management Area
- Dunn State Park
- Barre State Forest
- Oakham State Forest
- Spencer State Forest
- Douglass State Forest
- Lancaster State Forest
- Petersham State Forest
- Templeton State Forest
- Ashburnham State Forest
- Winchendon State Forest
- Otter River State Forest
- Westminster State Forest
These are county-level records — the species is documented in the area around each park, which is a strong steer rather than a guarantee for the park itself.
North American River Otter in other states → · All Massachusetts state parks →