Middlesex Fells Reservation

Slanted Boulder–Theta Boulder, 7 lakes

2.9 mi · ▲ 340 ft · 1 hr 8 min

Slanted Boulder–Theta Boulder, 7 lakes is a 2.9-mile out-and-back in Middlesex Fells Reservation near Haywardville, MA. The route passes Shiner Pool, Quarter Mile Pond, Slanted Boulder and Theta Boulder before reaching Wright's Pond at the turnaround, 1.5 miles in. It climbs 340 ft, with sections as steep as 20% grade, and is mostly dirt. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi92 – 256 ft · steepest grade: 20%3.7 mi

Getting there

Trailhead: Unnamed 42.45385, -71.08785
Nearest town Haywardville, MA

Directions

AMBLEWAYwww.ambleway.com

Slanted Boulder–Theta Boulder, 7 lakes

2.9 mi · ▲ 340 ft · 1 hr 8 min

Elevation 91–257 ft

Out & Back · Middlesex Fells Reservation

Trailhead: 42.45385, -71.08785

Weather Aug 4: Heavy rain, high 76°F / low 67° · precip 82% · wind 8 mph · sunrise 5:39 AM · sunset 8:03 PM

Dogs allowed on leash · Transit-accessible: 3 Woodland Rd stop 293 m from the trailhead · Parking lot at the trailhead

  1. Start at the trailhead, heading NE.
  2. 250 ftSharp right onto Unofficial Trail, heading SE.
  3. 400 ftTurn right onto Pipe Line Road, heading S.
  4. 0.3 miTurn right, heading S.
  5. 50 ftSharp left, heading SW.
  6. 50 ftTurn right, heading SW.
  7. 0.1 miSharp left, heading W.
  8. 150 ftSharp right onto Reservoir Access Road, heading W.
  9. 0.1 miPass Shiner Pool.
  10. 150 ftContinue straight onto Rock Circuit Trail, heading S.
  11. 0.2 miContinue straight onto Woodland Path, heading S.
  12. 300 ftPass Quarter Mile Pond.
  13. 500 ftBear left, heading W.
  14. 200 ftTurn left, heading NW.
  15. 50 ftContinue straight onto Cross Fells Trail, heading W.
  16. 0.2 miPass Slanted Boulder.
  17. 100 ftPass Theta Boulder.
  18. 250 ftBear right, heading NW.
  19. 150 ftBear left, heading NW.
  20. 250 ftPass Wright's Pond.
  21. 400 ftReach Slanted Boulder, then turn around and head back the way you came.
  22. 0.1 miBear right, heading SW.
  23. 0.3 miTurn right, heading E.
  24. 200 ftBear right onto Woodland Path, heading SE.
  25. 0.2 miContinue straight onto Rock Circuit Trail, heading SE.
  26. 0.2 miContinue straight onto Reservoir Access Road, heading E.
  27. 0.1 miTurn right, heading E.
  28. 250 ftSharp left, heading E.
  29. 150 ftSharp right, heading N.
  30. 0.1 miTurn left, heading NE.
  31. 50 ftSharp right, heading N.
  32. 50 ftTurn left onto Pipe Line Road, heading N.
  33. 0.3 miTurn left onto Unofficial Trail, heading SE.
  34. 400 ftSharp left, heading SE.
  35. 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 surface

75% dirt25% unspecified

Weather

Heavy rainTemperature 76°F67°
Precip82%Wind8 mphUV2Humidity80%
Rained 0.8″ 4 days ago
Hourly temperatureRain chance
80°65° 12 AM: 2% rain2 AM: 1% rain3 AM: 10% rain4 AM: 30% rain5 AM: 57% rain6 AM: 64% rain7 AM: 52% rain8 AM: 58% rain9 AM: 39% rain10 AM: 77% rain11 AM: 80% rain12 PM: 74% rain1 PM: 82% rain2 PM: 67% rain3 PM: 60% rain4 PM: 41% rain5 PM: 38% rain6 PM: 29% rain7 PM: 28% rain8 PM: 23% rain
Sunrise 5:39 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:03 PM
Tue 82°62°
Wed 83°63°
Thu 90°70° 15%
Fri 97°73° 27%
Sat 93°71° 40%
Sun 96°70°

Good to know

  • Dogs allowed on leash
  • Transit-accessible: 3 Woodland Rd stop 293 m from the trailhead
  • Parking lot at the trailhead

Other ways to reach this destination

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