Trail at Thompson Family Forever Wild Preserve 2025-12-20.jpg
Peter Cooper Jr · CC0

Reservoir No. 4–Reservoir No. 3, 3 lakes is a 2.6-mile out-and-back in Thompson Family Forever Wild Preserve near Westville, MA. The route passes Reservoir No. 4 before reaching Reservoir No. 3 at the turnaround, 1.3 miles in. It is mostly level, with 181 ft of elevation gain. It scores 24/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi686 – 797 ft2.7 mi

Getting there

Trailhead: Thompson Loop Trail 42.04781, -72.05837
Nearest town Westville, MA

Directions

AMBLEWAYwww.ambleway.com

Reservoir No. 4–Reservoir No. 3, 3 lakes

2.6 mi · ▲ 181 ft · 57 min

Elevation 685–798 ft

Out & Back · Thompson Family Forever Wild Preserve

Trailhead: Thompson Loop Trail · 42.04781, -72.05837

Weather Sep 20: sunrise 6:34 AM · sunset 6:51 PM

Dogs allowed on leash · Parking lot at the trailhead

  1. Start on Thompson Loop Trail, heading NW.
  2. 0.9 miPass Reservoir No. 4.
  3. 150 ftTurn right, heading NW.
  4. 0.3 miTurn left, heading NW.
  5. 400 ftPass Reservoir No. 3.
  6. 50 ftReach Reservoir No. 4, then turn around and head back the way you came.
  7. 450 ftTurn right, heading S.
  8. 0.3 miTurn left, heading E.
  9. 0.9 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

40% dirt60% unspecified

Weather

Sunrise 6:34 AMSunset 6:51 PM

Sunset

The best sunset spot on this hike is 0.2 mi in (~8 min). Leave by 6:22 PM for the 6:51 PM sunset. Back at your car by 7:12 PM — 7 min before dark. Car visible from the viewpoint

More sunset hikes nearby

Good to know

  • Dogs allowed on leash
  • Parking lot at the trailhead

Other ways to reach this destination

More from Thompson Loop Trail Trailhead