Harriman State Park

Black Rock Mountain–Ramapo-Dunderberg Viewpoint, 5 sights

10.5 mi · ▲ 1,479 ft · 4 hr 14 min

Black Rock Mountain–Ramapo-Dunderberg Viewpoint, 5 sights is a 10.5-mile out-and-back in Harriman State Park near Willow Grove, NY. The route passes Ramapo-Dunderberg Viewpoint before reaching Black Rock Mountain at the turnaround, 5.3 miles in. It climbs 1,479 ft, with sections as steep as 17% grade, and is mostly dirt. It scores 56/100 on the Ambleway Wildness scale: backcountry feel.

Elevation

0 mi742 – 1,368 ft · steepest grade: 17%11.0 mi

Getting there

Trailhead: Beech Trail 41.25285, -74.06634
Nearest town Willow Grove, NY

Directions

AMBLEWAYwww.ambleway.com

Black Rock Mountain–Ramapo-Dunderberg Viewpoint, 5 sights

10.5 mi · ▲ 1,479 ft · 4 hr 14 min

Elevation 741–1,367 ft

Out & Back · Harriman State Park

Trailhead: Beech Trail · 41.25285, -74.06634

Weather Sep 7: sunrise 6:29 AM · sunset 7:21 PM

Parking lot at the trailhead

  1. Start on Beech Trail, heading SW.
  2. 0.8 miTurn right onto Hasenclever Road, heading NW.
  3. 0.6 miSharp left onto Red Cross Trail, heading SW.
  4. 1.5 miSharp right onto Arden-Surebridge Trail, heading W.
  5. 1.1 miTurn right onto Long Path, heading W.
  6. 50 ftBear left onto Ramapo-Dunderberg Trail, heading W.
  7. 0.6 miPass Ramapo-Dunderberg Viewpoint.
  8. 0.3 miBear right, heading SW.
  9. 250 ftTurn right onto Dunning Trail, heading S.
  10. 100 ftTurn left onto Ramapo-Dunderberg Trail, heading S.
  11. 0.3 miTurn right, heading S.
  12. 50 ftReach Black Rock Mountain, then turn around and head back the way you came.
  13. 0.3 miTurn right onto Dunning Trail, heading N.
  14. 50 ftTurn left, heading N.
  15. 300 ftBear left onto Ramapo-Dunderberg Trail, heading N.
  16. 1 miBear right onto Long Path, heading E.
  17. 50 ftTurn left onto Arden-Surebridge Trail, heading E.
  18. 1.1 miSharp left onto Red Cross Trail, heading SE.
  19. 1.5 miSharp right onto Hasenclever Road, heading E.
  20. 0.6 miTurn left onto Beech Trail, heading E.
  21. 0.7 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

99% dirt1% unspecified

Weather

Sunrise 6:29 AMSunset 7:21 PM

Sunset

The best sunset spot on this hike is 4.5 mi in (~138 min). Leave by 4:43 PM for the 7:21 PM sunset. Back at your car by 9:36 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Parking lot at the trailhead

More from Beech Trail Trailhead