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

Forbidden Drive is a 3.9-mile out-and-back in Wissahickon Valley Park near Shawmont, PA. It climbs 508 ft, with sections as steep as 18% grade. It scores 16/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi89 – 371 ft · steepest grade: 18%4.7 mi

Getting there

Trailhead: Unnamed 40.05223, -75.22335
Nearest town Shawmont, PA

Directions

AMBLEWAYwww.ambleway.com

Forbidden Drive

3.9 mi · ▲ 508 ft · 1 hr 33 min

Elevation 87–370 ft

Out & Back · Wissahickon Valley Park

Trailhead: 40.05223, -75.22335

Weather Sep 5: Overcast, high 78°F / low 67° · precip 21% · wind 5 mph · sunrise 6:33 AM · sunset 7:28 PM

Dogs allowed on leash

  1. Start at the trailhead, heading E.
  2. 300 ftSharp left onto Yellow Trail, heading NW.
  3. 0.2 miBear right, heading E.
  4. 0.2 miBear left onto Forbidden Drive, heading N.
  5. 0.6 miTurn right, heading N.
  6. 0.1 miTurn right onto Rex Avenue, heading NE.
  7. 250 ftTurn left onto Orange Trail, heading NE.
  8. 0.3 miBear right, heading NW.
  9. 50 ftSharp right, heading NW.
  10. 450 ftBear right, heading NW.
  11. 50 ftTurn right onto White Trail, heading NW.
  12. 50 ftTurn left, heading NW.
  13. 300 ftTurn left, heading NW.
  14. 150 ftContinue straight onto Lavender Trail, heading NW.
  15. 50 ftContinue straight onto White Trail, heading NW.
  16. 0.3 miReach the turnaround, then head back the way you came.
  17. 0.3 miContinue straight onto Lavender Trail, heading E.
  18. 50 ftContinue straight onto White Trail, heading E.
  19. 50 ftTurn left, heading E.
  20. 150 ftTurn right, heading E.
  21. 300 ftTurn left, heading W.
  22. 50 ftBear left, heading W.
  23. 450 ftSharp left, heading W.
  24. 50 ftBear left onto Orange Trail, heading W.
  25. 0.3 miTurn right onto Rex Avenue, heading W.
  26. 250 ftTurn left, heading W.
  27. 50 ftContinue straight onto Forbidden Drive, heading NW.
  28. 0.1 miTurn right, heading SE.
  29. 0.6 miBear right, heading SE.
  30. 0.2 miBear left onto Yellow Trail, heading S.
  31. 0.2 miSharp right, heading E.
  32. 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

44% dirt33% gravel23% unspecified

Weather

OvercastTemperature 78°F67°
Precip21%Wind5 mphUV6Humidity64%
Rained 1″ 2 days ago (1.4″ over the last week) · trails may be muddy
Hourly temperatureRain chance
80°65° 12 AM: 11% rain1 AM: 21% rain2 AM: 12% rain3 AM: 3% rain4 AM: 2% rain7 AM: 5% rain
Sunrise 6:33 AM12 AM3 AM9 AM12 PM3 PMSunset 7:28 PM
Sun 78°62°
Mon 79°63°
Tue 81°63°
Wed 86°68°
Thu 86°71° 28%
Fri 85°69° 28%

Good to know

  • Dogs allowed on leash

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