01:42
6.51km
40m
Hiking
The Aaron River Reservoir and Heron Pond Loop offers a refreshing escape into nature, tracing the peaceful shores of the reservoir and skirting the quiet waters of Heron Pond. This easy 4.0-mile (6.5 km) hike provides a gentle journey through woodlands and along the water's edge, with minimal elevation gain…
Last updated: June 9, 2026
Waypoints
Start point
Parking
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1.31 km
Highlight • Lake
Tip by
5.59 km
Highlight • Trail
Tip by
6.51 km
End point
Way Types & Surfaces
Way Types
4.60 km
1.61 km
243 m
< 100 m
Surfaces
3.68 km
1.86 km
936 m
< 100 m
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Elevation
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Wednesday 8 July
26°C
16°C
15 %
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Max wind speed: 19.0 km/h
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This route was planned by komoot.
The estimated duration for completing this loop is approximately 1 hour and 41 minutes. This is based on an average hiking pace for the 6.5 km (4 miles) distance.
The terrain around the Aaron River Reservoir features a steep hill near the spillway, offering elevated views. You can also walk across the top of a 900-foot-wide dam, which is a wide, unpaved road. Within the broader Wompatuck State Park, the trails are wooded with rolling hills but no major climbs. Be aware that some sections may become muddy or flooded depending on water levels.
This specific loop is rated as easy. While the top of the dam is stroller-friendly, ascending the hill beside the spillway can be challenging. A narrow access point to the dam might not be suitable for strollers or very small children, but it's often an adventure for slightly older kids.
You'll enjoy incredible views from the steep hill near the Aaron River Reservoir spillway. The reservoir itself is a stunning location. Points of interest include a fish ladder near the dam, and seasonal Adirondack chairs along the reservoir trails for resting. You'll also pass by the Aaron River Reservoir and a section of Doane Street.
Wompatuck State Park, where this trail is located, generally does not require permits for hiking. However, there might be parking fees during peak seasons or for specific parking lots. It's always a good idea to check the official Massachusetts DCR website for the latest information on park regulations and fees before your visit.
Yes, Wompatuck State Park is generally dog-friendly. However, dogs must be kept on a leash at all times and owners are responsible for cleaning up after their pets. Always check for any specific signage or restrictions within the park.
The trail can be enjoyed year-round. Spring offers lush greenery, while fall brings vibrant foliage. Summer is popular for longer days, and winter can provide a peaceful, snowy experience, though some sections may be muddy or icy. Consider checking local weather conditions before you go.
Access to this loop is typically found within Wompatuck State Park in Cohasset, Massachusetts. Specific parking areas are available within the park, often near the reservoir or main entrances. It's recommended to consult a park map or online resources for the most convenient trailhead parking.
Yes, this route is part of the extensive network within Wompatuck State Park. It intersects with and utilizes sections of other trails. Specifically, the route also passes through sections of the Beer Run, Doane Street, Boo Boo, and Yah Mon! trails.
This area, located within Wompatuck State Park, is notable for its blend of natural beauty and historical significance. The park was formerly the Hingham Naval Ammunition Annex, and you can still find old, decommissioned bunkers. The trail offers diverse experiences, from walking atop a large dam with reservoir views to exploring wooded paths through a glacial-period landscape.
No, this trail is distinct. The Aaron River Reservoir and Heron Pond Loop is located within Wompatuck State Park in Cohasset, Massachusetts. There is a separate Heron Pond Loop Trail in Milford, New Hampshire, which is a shorter, flatter, and generally easier walk with different characteristics.
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