Mark O. Hatfield Wilderness

White Horse Spring–Lower Green Point Reservoir, 4 sights

11.4 mi · ▲ 4,816 ft · 6 hr 12 min

White Horse Spring–Lower Green Point Reservoir, 4 sights is an 11.4-mile out-and-back in Mark O. Hatfield Wilderness near Cook, WA. The route passes White Horse Spring before reaching Lower Green Point Reservoir at the turnaround, 5.7 miles in. It climbs 4,816 ft, with sections as steep as 35% grade, and is mostly dirt. It scores 68/100 on the Ambleway Wildness scale: backcountry feel.

Elevation

0 mi128 – 3,845 ft · steepest grade: 35%11.7 mi

Getting there

Trailhead: Historic Columbia River Highway State Trail 45.68689, -121.70309
Nearest town Cook, WA

Directions

AMBLEWAYwww.ambleway.com

White Horse Spring–Lower Green Point Reservoir, 4 sights

11.4 mi · ▲ 4,816 ft · 6 hr 12 min

Elevation 127–3,845 ft

Out & Back · Mark O. Hatfield Wilderness

Trailhead: Historic Columbia River Highway State Trail · 45.68689, -121.70309

Weather Sep 4: sunrise 6:33 AM · sunset 7:41 PM

Parking lot at the trailhead

  1. Start on Mount Defiance Trail #413, heading SE.
  2. 0.1 miSharp left onto Starvation Ridge Trail #414, heading E.
  3. 4.2 miSharp left onto Warren Lake Trail #417A, heading E.
  4. 150 ftContinue straight onto Forest Road 2821-630, heading E.
  5. 0.3 miPass White Horse Spring.
  6. 200 ftBear left onto Forest Road 621, heading E.
  7. 0.3 miBear right, heading NE.
  8. 0.6 miTurn left, heading NE.
  9. 350 ftPass Lower Green Point Reservoir.
  10. 300 ftReach White Horse Spring, then turn around and head back the way you came.
  11. 1 miBear right onto Forest Road 2821-630, heading W.
  12. 0.4 miContinue straight onto Warren Lake Trail #417A, heading W.
  13. 150 ftSharp right onto Mitchell Point Trail #417, heading W.
  14. 4.2 miSharp right onto Mount Defiance Trail #413, heading NW.
  15. 350 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

99% dirt1% paved

Weather

Sunrise 6:33 AMSunset 7:41 PM

Sunset

The best sunset spot on this hike is 1.3 mi in (~63 min). Leave by 6:18 PM for the 7:41 PM sunset. Back at your car by 8:34 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Parking lot at the trailhead

More from Historic Columbia River Highway State Trail Trailhead