Boxborough
- Boxborough conservation map:
- Beaver Brook Valley Preserve (accessible at end of Whitcomb Road)
- CISCO campus (Beaver Brook Road)
- Steele Farm (Middle Road)
- Hager Municipal Land (Accessible from Sargent Memorial Library on Mass Ave/Route 111)
- 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 Web Site
- Acton Arboretum (map and descriptiopn | eBird hotspot)
- Grassy Pond (map and description)
- Great Hill (map and description)
- Guggins Brook (map and description)
- Heath Hen Meadow (map and description)
- Jenks Conservation Land (map and description | eBird hotspot)
- NARA Park (eBird hotspot)
- Nagog Hill (map and description)
- Nagog Pond (eBird hotspot)
Stow
- Stow Conservation Trust
- 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 | hotspot)
- Sarah Doublet Forest (description & map)
- George and Lucy Yapp Conservation Land (description & map)
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)
