AMBLEWAY Wildest hikes

Upton State Forest

Peppercorn Hill–Mammoth Rock, 12 sights

12.4 mi · ▲ 1,065 ft · 4 hr 40 min

Peppercorn Hill–Mammoth Rock, 12 sights is a 12.4-mile out-and-back in Upton State Forest near Woodville, MA. The route passes Mammoth Rock, Dean Pond, Lake Maspenock and Peppercorn Hill before reaching Walleston Viewpoint at the turnaround, 6.2 miles in. It climbs 1,065 ft. It scores 22/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi302 – 574 ft12.9 mi

Getting there

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

AMBLEWAYwww.ambleway.com

Peppercorn Hill–Mammoth Rock, 12 sights

12.4 mi · ▲ 1,065 ft · 4 hr 40 min

Elevation 303–575 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. 0.2 miTurn right onto Park Road, heading SW.
  17. 350 ftTurn left, heading NW.
  18. 100 ftContinue straight onto Nuthatch Trail, heading NW.
  19. 0.3 miTurn right, heading SE.
  20. 0.2 miBear left onto Powerline Trail, heading SW.
  21. 1.9 miBear right, heading SE.
  22. 0.4 miBear left, heading E.
  23. 350 ftBear right, heading E.
  24. 0.3 miPass Lake Maspenock.
  25. 0.2 miBear left onto Walleston Trail, heading N.
  26. 0.2 miPass Walleston Viewpoint.
  27. 350 ftReach Peppercorn Hill, then turn around and head back the way you came.
  28. 0.3 miBear right, heading S.
  29. 0.4 miBear left, heading S.
  30. 350 ftBear right, heading S.
  31. 0.4 miBear left, heading W.
  32. 1.9 miBear right, heading SW.
  33. 0.2 miTurn left onto Nuthatch Trail, heading W.
  34. 0.3 miTurn right onto Park Road, heading NW.
  35. 350 ftTurn left onto Chickadee Trail, heading NW.
  36. 0.4 miTurn right, heading SE.
  37. 50 ftTurn left onto Dean Pond Road, heading SE.
  38. 350 ftBear left onto Loop Road, heading N.
  39. 450 ftContinue straight onto Middle Road, heading N.
  40. 0.3 miBear right onto Hawk Trail, heading N.
  41. 0.4 miTurn left onto Loop Road, heading NE.
  42. 0.2 miBear right onto Grouse Trail, heading NE.
  43. 50 ftContinue straight onto Mammoth Rock Trail, heading NE.
  44. 0.4 miBear right, heading NE.
  45. 0.2 miTurn right, heading NE.
  46. 0.1 miSharp right, heading NW.
  47. 0.3 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/peppercorn-hill-mammoth-rock-out-back-5-summits-20-km-f91d

Trail surface

36% dirt64% 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%

Sunset

The best sunset spot on this hike is 6.2 mi in (~168 min). Leave by 4:56 PM for the 8:03 PM sunset. Back at your car by 11:06 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Parking lot at the trailhead

Other ways to reach this destination

More from this trailhead

Hikes near Woodville, Massachusetts