AMBLEWAY Wildest hikes

Callahan State Park

Sudbury Reservoir–Hager Pond, 4 sights

3.5 mi · ▲ 383 ft · 1 hr 21 min

Sudbury Reservoir–Hager Pond, 4 sights is a 3.5-mile out-and-back in Callahan State Park near Southborough, MA. The route passes Sudbury Reservoir before reaching Hager Pond at the turnaround, 1.8 miles in. It climbs 383 ft, with sections as steep as 18% grade. It scores 21/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi226 – 430 ft · steepest grade: 18%3.9 mi

Getting there

Trailhead: Unnamed 42.33378, -71.50426
Nearest town Southborough, MA
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Directions

AMBLEWAYwww.ambleway.com

Sudbury Reservoir–Hager Pond, 4 sights

3.5 mi · ▲ 383 ft · 1 hr 21 min

Elevation 227–429 ft

Out & Back · Callahan State Park

Trailhead: 42.33378, -71.50426

Weather Aug 4: sunrise 5:42 AM · sunset 8:03 PM

Parking lot at the trailhead

  1. Start at the trailhead, heading SW.
  2. 300 ftPass Sudbury Reservoir.
  3. 350 ftBear left onto Bay Circuit Trail, heading S.
  4. 0.5 miTurn right onto Bear Paw Trail, heading SE.
  5. 150 ftTurn left onto Bay Circuit Trail, heading NE.
  6. 450 ftContinue straight onto Broadmeadow Road, heading NE.
  7. 0.2 miContinue straight onto Chipmunk, heading E.
  8. 0.1 miContinue straight onto Backpacker Trail, heading SE.
  9. 350 ftBear left, heading E.
  10. 250 ftTurn left onto Woodchuck Trail, heading E.
  11. 0.2 miTurn left, heading N.
  12. 0.3 miTurn right, heading NW.
  13. 150 ftPass Hager Pond.
  14. 200 ftReach Sudbury Reservoir, then turn around and head back the way you came.
  15. 300 ftTurn left, heading N.
  16. 0.5 miTurn right onto Backpacker Trail, heading S.
  17. 150 ftBear left, heading S.
  18. 450 ftContinue straight onto Chipmunk, heading S.
  19. 50 ftBear left, heading S.
  20. 0.3 miContinue straight onto Bay Circuit Trail, heading W.
  21. 450 ftTurn right onto Bear Paw Trail, heading W.
  22. 150 ftTurn left onto Bay Circuit Trail, heading W.
  23. 0.5 miBear right, heading W.
  24. 250 ftArrive back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Trail map, photos and weather for this hike: www.ambleway.com/hikes/sudbury-reservoir-hager-pond-out-back-4-sights

Trail surface

26% dirt74% unspecified

Weather

Sunrise 5:42 AMSunset 8:03 PM

Sunset

The best sunset spot on this hike is 1.6 mi in (~44 min). Leave by 6:59 PM for the 8:03 PM sunset. Back at your car by 8:58 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Parking lot at the trailhead

Other ways to reach this destination

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Hikes near Southborough, Massachusetts