Deer Island loop from Belle Isle Marsh Reservation

If you're looking for a jogging route that truly offers a bit of everything, the Deer Island loop from Belle Isle Marsh Reservation delivers. This moderate 8.2-mile (13.1 km) route, with 282 feet (86 metres) of elevation gain, can be completed in about 1 hour and 22 minutes, making it a fantastic option for a longer, diverse run that blends natural beauty with urban vistas.

What to expect on Deer Island loop from Belle Isle Marsh Reservation

The journey begins in the serene Belle Isle Marsh Reservation, where you'll jog along easy, wheelchair-accessible stone dust paths and boardwalks, soaking in views of Boston's largest remaining salt marsh and its abundant birdlife. After a few miles of navigating residential streets through Winthrop, the route transitions to the paved Deer Island Loop. Here, the scenery shifts dramatically to expansive coastal vistas of Boston Harbor, the city skyline, and the open Atlantic, with planes from Logan Airport adding a dynamic backdrop. While the Deer Island section is largely flat and easy, the overall route's length and the urban connectors make it a moderate effort, best suited for those who enjoy a mix of natural and urban environments.

Planning your visit

This route combines the trails at Belle Isle Marsh Reservation with the Deer Island Loop via several miles of on-road sections through Winthrop. Be aware that some parts of this on-road connector may lack dedicated bike lanes and have narrow sidewalks, which can make for a less seamless jogging experience. Parking is available at Belle Isle Marsh Reservation, providing a convenient starting point for your adventure.

Trail details

• Distance: 8.2 miles (13.1 km)
• Elevation gain: 282 feet (86 metres)
• Difficulty: moderate
• Estimated time: 1 hours and 22 minutes