Stone-building-in-Wissahickon-Valley-Park-2025-08-29 01.jpg
Fjalnes · CC BY-SA 4.0

Forbidden Drive is a 2.2-mile out-and-back in Wissahickon Valley Park near Manatawna, PA. It climbs 270 ft, with sections as steep as 18% grade, and is mostly dirt. It scores 4/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi89 – 308 ft · steepest grade: 18%2.7 mi

Getting there

Trailhead: Summit Avenue Entrance 40.06180, -75.22692
Nearest town Manatawna, PA

Directions

AMBLEWAYwww.ambleway.com

Forbidden Drive

2.2 mi · ▲ 270 ft · 52 min

Elevation 87–309 ft

Out & Back · Wissahickon Valley Park

Trailhead: Summit Avenue Entrance · 40.06180, -75.22692

Weather Sep 5: sunrise 6:33 AM · sunset 7:28 PM

Dogs allowed on leash · Parking lot at the trailhead

  1. Start at the trailhead, heading E.
  2. 0.1 miBear right onto Yellow Trail, heading SE.
  3. 0.4 miTurn right, heading W.
  4. 50 ftTurn left, heading NW.
  5. 0.3 miBear left, heading SW.
  6. 150 ftTurn left, heading W.
  7. 0.6 miTurn left, heading NE.
  8. 0.2 miBear left onto Forbidden Drive, heading E.
  9. 0.4 miContinue straight onto Yellow Trail, heading NW.
  10. 50 ftBear left, heading NW.
  11. 250 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

93% dirt6% gravel1% unspecified

Weather

Sunrise 6:33 AMSunset 7:28 PM

Good to know

  • Dogs allowed on leash
  • Parking lot at the trailhead

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