Sudbury Reservoir–Foss Reservoir, 4 sights
7 mi · ▲ 363 ft · 2 hr 31 min
Sudbury Reservoir–Foss Reservoir, 4 sights is a 7-mile out-and-back in Sudbury Reservoir Watershed near Southborough, MA. The route passes Sudbury Reservoir before reaching Foss Reservoir at the turnaround, 3.5 miles in. It climbs 363 ft. It scores 18/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi187 – 335 ft7.3 mi
Getting there
Trailhead: Acorn Trail 42.33857, -71.49975
Nearest town Southborough, MA
Directions
AMBLEWAYwww.ambleway.com
Sudbury Reservoir–Foss Reservoir, 4 sights
7 mi · ▲ 363 ft · 2 hr 31 min
Elevation 188–334 ft
Out & Back · Sudbury Reservoir Watershed
Trailhead: Acorn Trail · 42.33857, -71.49975
Weather Aug 4: sunrise 5:42 AM · sunset 8:03 PM
Parking lot at the trailhead
- Start on Acorn Trail, heading E.
- 0.1 miTurn right, heading SE.
- 0.4 miTurn right onto Bay Circuit Trail, heading W.
- 0.5 miPass Sudbury Reservoir.
- 2 miBear right onto Boroughs Loop Trail, heading SE.
- 0.2 miBear left, heading SE.
- 0.3 miPass Foss Reservoir.
- 150 ftReach Sudbury Reservoir, then turn around and head back the way you came.
- 0.3 miTurn left, heading N.
- 0.2 miBear left onto Bay Circuit Trail, heading N.
- 2.4 miTurn left onto Bear Paw Trail, heading NE.
- 0.3 miSharp left, heading N.
- 0.1 miTurn left onto Acorn Trail, heading N.
- 450 ftArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
15% dirt85% unspecified
Weather
Sunrise 5:42 AMSunset 8:03 PM
Good to know
- Parking lot at the trailhead
Other ways to reach this destination
More from Acorn Trail Trailhead
- Indian Hill 2.1 mi · ▲ 236 ft
- Beebe Pond–Acorn Trail Loop, 4 sights 2.1 mi · ▲ 203 ft
- Hager Pond–Acorn Trail, 4 sights 3.4 mi · ▲ 251 ft
- Pine Hill–Sudbury Reservoir, 3 summits 4.5 mi · ▲ 423 ft
- Beebe Pond–Welch Pond, 7 sights 5.4 mi · ▲ 704 ft
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