AMBLEWAY Wildest hikes

Upton State Forest

Mammoth Rock–Dean Pond, 7 sights

4.9 mi · ▲ 259 ft · 1 hr 46 min

Mammoth Rock–Dean Pond, 7 sights is a 4.9-mile out-and-back in Upton State Forest near Woodville, MA. The route passes Mammoth Rock and Dean Pond. It climbs 259 ft. It scores 37/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi331 – 492 ft5.1 mi

Getting there

Trailhead: Unnamed 42.21469, -71.58530
Nearest town Woodville, MA
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Directions

AMBLEWAYwww.ambleway.com

Mammoth Rock–Dean Pond, 7 sights

4.9 mi · ▲ 259 ft · 1 hr 46 min

Elevation 332–492 ft

Out & Back · Upton State Forest

Trailhead: 42.21469, -71.58530

Weather Aug 4: Overcast, high 82°F / low 61° · precip 0% · wind 5 mph · sunrise 5:43 AM · sunset 8:03 PM

Parking lot at the trailhead

  1. Start at the trailhead, heading SW.
  2. 0.5 miSharp left, heading S.
  3. 0.1 miTurn left, heading S.
  4. 0.2 miBear left onto Mammoth Rock Trail, heading S.
  5. 0.1 miPass Mammoth Rock.
  6. 0.2 miContinue straight onto Grouse Trail, heading SW.
  7. 50 ftBear left onto Loop Road, heading S.
  8. 0.2 miTurn right onto Hawk Trail, heading S.
  9. 0.4 miBear left onto Middle Road, heading SW.
  10. 0.3 miPass Dean Pond.
  11. 50 ftContinue straight onto Loop Road, heading S.
  12. 450 ftBear right onto Dean Pond Road, heading S.
  13. 350 ftTurn right, heading NW.
  14. 50 ftTurn left, heading SW.
  15. 0.2 miContinue straight onto Chickadee Trail, heading S.
  16. 300 ftReach Mammoth Rock, then turn around and head back the way you came.
  17. 0.2 miTurn right, heading N.
  18. 50 ftTurn left onto Dean Pond Road, heading N.
  19. 350 ftBear left onto Loop Road, heading SE.
  20. 450 ftContinue straight onto Middle Road, heading SE.
  21. 0.3 miBear right onto Hawk Trail, heading N.
  22. 0.4 miTurn left onto Loop Road, heading NE.
  23. 0.2 miBear right onto Grouse Trail, heading NW.
  24. 50 ftContinue straight onto Mammoth Rock Trail, heading NW.
  25. 0.4 miBear right, heading N.
  26. 0.2 miTurn right, heading NE.
  27. 0.1 miSharp right, heading NE.
  28. 0.4 miArrive 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/mammoth-rock-dean-pond-out-back-3-lakes-5-km-5ad9

Trail surface

44% dirt56% unspecified

Weather

OvercastTemperature 82°F61°
Precip0%Wind5 mphUV7Humidity78%
Rained 1.4″ yesterday (2.4″ over the last week) · trails may be muddy
Hourly temperature
85°60°
Sunrise 5:43 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:03 PM
Wed 83°64°
Thu 88°69° 39%
Fri 94°72° 30%
Sat 92°69° 36%
Sun 94°67° 15%
Mon 93°72° 17%

Good to know

  • Parking lot at the trailhead

Other ways to reach this destination

More from this trailhead

Hikes near Woodville, Massachusetts