- Name Bay Circuit Trail
- Length of trail 241 km, 150 miles
- Length in days 12 days
- Traildino grading EW, Easy walk, nature trail
The Bay Circuit Trail is a permanent recreation trail and greenway corridor extending through 34 towns in eastern Massachusetts, and linking the parks and open spaces surrounding metropolitan Boston. 150 miles (241 km) are currently accessible. The circuit will measure 200 miles (322 km) in total when finished.