Boxborough
- Beaver Brook Valley Preserve, accessible at end of Whitcomb Road (map)
- Beaver Brook Road and Cisco campus (map)
- Steele Farm (map | eBird hotspot)
- Hager Municipal Land, Blanchard School and Sargent Memorial Library (map | eBird hotspot)
- Liberty Fields (eBird hotspot)
- Rolling Meadows, Littlefield Road (map | eBird hotspot)
- Boxborough Station WMA (State Fisheries and Wildlife land/Depot Road) (eBird hotspot)
- Have Not Pond (map | eBird hotspot)
- Hager Meadow — Betty White Land (map | eBird hotspot)
Acton
Acton Conservation Lands website
- Acton Arboretum (map and description | eBird hotspot)
- Grassy Pond (map and description | eBird hotspot)
- Great Hill (map and description | eBird hotspot)
- Guggins Brook (map and description)
- Heath Hen Meadow and Mount Hope Cemetery (map and description | eBird hotspot)
- Jenks Conservation Land (map and description | eBird hotspot)
- Knox Trail (eBird hotspot)
- Morrison Farm, Ice House Pond (map)
- NARA Park (eBird hotspot)
- Nagog Hill (map and description)
- Nagog Pond (eBird hotspot)
- School Street Fields (eBird hotspot)
- Stoneymeade (map and description)
Stow
- Captain Sargent Farm (map | eBird hotspot)
- Delaney Wildlife Management Area (map | eBird hotspot)
- Assabet River National Wildlife Refuge (map | eBird hotspot)
Littleton
Littleton Conservation Land Trail Guide
- Long Lake Park (description | eBird hotspot)
- Newtown Hill (description | eBird hotspot)
- Sarah Doublet Forest (description & map | eBird hotspot)
- George and Lucy Yapp Conservation Land (description & map | eBird hotspot)
Harvard
Harvard Conservation Trust Trails
- Bolton Flats Wildlife Management Area (map | eBird hotspot)
- Fruitlands Museum (trail map | eBird hotspot)
- Oxbow National Wildlife Refuge (web site | map | eBird hotspot)
Ayer
- Rock Meadow Pond (trail map | eBird hotspot)
Concord
- Barrett’s Mill Farmland (eBird hotspot)
- Great Meadows (eBird hotspot)
