AMBLEWAY Wildest hikes

Upton State Forest

Mammoth Rock–Grouse Trail, 3 sights

4.8 mi · ▲ 489 ft · 1 hr 51 min

Mammoth Rock–Grouse Trail, 3 sights is a 4.8-mile out-and-back in Upton State Forest near Upton, MA. The route reaches Mammoth Rock. It climbs 489 ft, with sections as steep as 17% grade. It scores 21/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi407 – 577 ft · steepest grade: 17%5.0 mi

Getting there

Trailhead: Rabbit Run 42.21344, -71.61113
Nearest town Upton, MA
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Directions

AMBLEWAYwww.ambleway.com

Mammoth Rock–Grouse Trail, 3 sights

4.8 mi · ▲ 489 ft · 1 hr 51 min

Elevation 407–576 ft

Out & Back · Upton State Forest

Trailhead: Rabbit Run · 42.21344, -71.61113

Weather Sep 20: sunrise 6:32 AM · sunset 6:49 PM

Parking lot at the trailhead

  1. Start on Rabbit Run, heading NE.
  2. 2.1 miPass Mammoth Rock.
  3. 0.3 miContinue straight onto Grouse Trail, heading SW.
  4. 50 ftReach Mammoth Rock, then turn around and head back the way you came.
  5. 100 ftContinue straight onto Mammoth Rock Trail, heading SW.
  6. 2.3 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/mammoth-rock-dean-pond-out-back-3-lakes-10-km-c504

Trail surface

1% dirt99% unspecified

Weather

Sunrise 6:32 AMSunset 6:49 PM

Good to know

  • Parking lot at the trailhead

Other ways to reach this destination

More from Rabbit Run Trailhead

Hikes near Upton, Massachusetts