AMBLEWAY Wildest hikes

Whitehall State Park

Mammoth Rock–Whitehall Reservoir, 4 sights

8.3 mi · ▲ 827 ft · 3 hr 11 min

Mammoth Rock–Whitehall Reservoir, 4 sights is an 8.3-mile out-and-back in Whitehall State Park near Woodville, MA. The route passes Whitehall Reservoir and Mammoth Rock. It climbs 827 ft, with sections as steep as 16% grade. It scores 41/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi331 – 551 ft · steepest grade: 16%8.8 mi

Getting there

Trailhead: Trail access from parking 42.22044, -71.56367
Nearest town Woodville, MA
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Directions

AMBLEWAYwww.ambleway.com

Mammoth Rock–Whitehall Reservoir, 4 sights

8.3 mi · ▲ 827 ft · 3 hr 11 min

Elevation 333–551 ft

Out & Back · Whitehall State Park

Trailhead: Trail access from parking · 42.22044, -71.56367

Weather Aug 4: Overcast, high 82°F / low 63° · precip 0% · wind 6 mph · sunrise 5:43 AM · sunset 8:03 PM

Parking lot at the trailhead

  1. Start on Trail access from parking, heading E.
  2. 200 ftTurn left onto Red Trail, heading N.
  3. 400 ftTurn left onto Green Trail, heading NW.
  4. 0.2 miTurn left, heading W.
  5. 0.2 miPass Whitehall Reservoir.
  6. 50 ftSharp left onto Whitehall Yellow Trail, heading SW.
  7. 1.1 miTurn left onto Bridge Road, heading SW.
  8. 0.1 miBear right onto Whitehall Trail, heading S.
  9. 50 ftContinue straight onto Bridge Road, heading S.
  10. 0.1 miSharp right, heading SW.
  11. 250 ftBear left onto Whitehall Trail, heading NW.
  12. 0.3 miTurn right onto White Hall Road, heading SW.
  13. 0.2 miTurn left, heading N.
  14. 250 ftBear right onto Grouse Trail, heading N.
  15. 0.4 miSharp right onto Mammoth Rock Trail, heading W.
  16. 0.2 miPass Mammoth Rock.
  17. 1.1 miReach Mammoth Rock, then turn around and head back the way you came.
  18. 1.3 miSharp left onto Grouse Trail, heading SW.
  19. 0.4 miBear left, heading E.
  20. 250 ftTurn right onto White Hall Road, heading E.
  21. 0.2 miTurn left onto Whitehall Trail, heading NE.
  22. 0.3 miBear right, heading NE.
  23. 250 ftSharp left onto Bridge Road, heading N.
  24. 0.1 miContinue straight onto Whitehall Trail, heading NE.
  25. 50 ftBear left onto Bridge Road, heading NE.
  26. 0.2 miTurn right onto Whitehall Yellow Trail, heading SE.
  27. 0.7 miBear right, heading N.
  28. 0.4 miSharp right, heading NE.
  29. 0.2 miTurn right onto Green Trail, heading NE.
  30. 0.2 miTurn right onto Red Trail, heading E.
  31. 450 ftTurn right onto Trail access from parking, heading NE.
  32. 50 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/mammoth-rock-out-back-10-km-1754

Trail surface

40% dirt60% unspecified

Weather

OvercastTemperature 82°F63°
Precip0%Wind6 mphUV7Humidity77%
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°63°
Thu 84°67° 36%
Fri 94°71° 30%
Sat 91°69° 36%
Sun 94°69° 15%
Mon 93°71° 17%

Good to know

  • Parking lot at the trailhead

Other ways to reach this destination

More from Trail access from parking Trailhead

Hikes near Woodville, Massachusetts