Upton State Forest

Mammoth Rock–Grouse Trail, 6 sights

2 mi · ▲ 110 ft · 43 min

Mammoth Rock–Grouse Trail, 6 sights is a 2-mile out-and-back in Upton State Forest near Upton, MA. The route reaches Mammoth Rock at the turnaround, 1.2 miles in. It is mostly level, with 110 ft of elevation gain. It scores 29/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi407 – 492 ft2.1 mi

Getting there

Trailhead: Park Road 42.20944, -71.60576
Nearest town Upton, MA

Directions

AMBLEWAYwww.ambleway.com

Mammoth Rock–Grouse Trail, 6 sights

2 mi · ▲ 110 ft · 43 min

Elevation 407–492 ft

Out & Back · Upton State Forest

Trailhead: Park Road · 42.20944, -71.60576

Weather Aug 4: Heavy rain, high 77°F / low 68° · precip 83% · wind 5 mph · sunrise 5:43 AM · sunset 8:04 PM

Parking lot at the trailhead

  1. Start on Park Road, heading E.
  2. 0.1 miTurn left onto Loop Road, heading E.
  3. 250 ftTurn left onto Swamp Trail, heading N.
  4. 0.4 miBear right onto Mammoth Rock Trail, heading E.
  5. 0.6 miPass Mammoth Rock.
  6. 0.3 miContinue straight onto Grouse Trail, heading SW.
  7. 50 ftSharp right onto Loop Road, heading SW.
  8. 0.5 miTurn right onto Park Road, heading W.
  9. 0.1 miArrive back at the trailhead.

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

Trail surface

33% dirt67% unspecified

Weather

Heavy rainTemperature 77°F68°
Precip83%Wind5 mphUV2Humidity79%
Rained 1″ 5 days ago
Hourly temperatureRain chance
80°65° 12 AM: 1% rain1 AM: 1% rain2 AM: 5% rain3 AM: 16% rain4 AM: 61% rain5 AM: 71% rain6 AM: 64% rain7 AM: 59% rain8 AM: 74% rain9 AM: 83% rain10 AM: 78% rain11 AM: 67% rain12 PM: 75% rain1 PM: 63% rain2 PM: 79% rain3 PM: 54% rain4 PM: 44% rain5 PM: 39% rain6 PM: 38% rain7 PM: 33% rain8 PM: 7% rain
Sunrise 5:43 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:04 PM
Tue 82°63°
Wed 83°65°
Thu 84°68° 40%
Fri 94°71° 30%
Sat 91°70° 37%
Sun 95°70° 15%

Good to know

  • Parking lot at the trailhead

Other ways to reach this destination

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