AMBLEWAY Wildest hikes

Washington Park Arboretum

Wetherill Nature Preserve–Lake Washington, 9 sights

11.8 mi · ▲ 411 ft · 4 hr 8 min

Wetherill Nature Preserve–Lake Washington, 9 sights is an 11.8-mile out-and-back in Washington Park Arboretum near Ashwood, WA. The route passes Wetherill Nature Preserve, Lake Washington, SR 520 Viewpoint and 5 more. It climbs 411 ft and is mostly paved. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi16 – 164 ft12.9 mi

Getting there

Trailhead: Unnamed 47.64301, -122.19973
Nearest town Ashwood, WA
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Directions

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Wetherill Nature Preserve–Lake Washington, 9 sights

11.8 mi · ▲ 411 ft · 4 hr 8 min

Elevation 16–164 ft

Out & Back · Washington Park Arboretum

Trailhead: 47.64301, -122.19973

Weather Aug 4: Clear, high 84°F / low 59° · precip 0% · wind 5 mph · sunrise 5:51 AM · sunset 8:41 PM

Transit-accessible: NE 38th Pl & Lake Washington Blvd NE stop 300 m from the trailhead · Parking lot at the trailhead

  1. Start at the trailhead, heading NW.
  2. 300 ftTurn left onto SR 520 Trail, heading SW.
  3. 0.9 miPass Wetherill Nature Preserve.
  4. 0.4 miBear right, heading W.
  5. 0.3 miPass Lake Washington.
  6. 0.2 miPass SR 520 Viewpoint.
  7. 2.9 miPass SR 520 Viewpoint.
  8. 150 ftPass Montlake Cut.
  9. 0.1 miContinue straight onto Arboretum Waterfront Trail, heading W.
  10. 0.3 miPass Washington Park Arboretum Beach.
  11. 0.1 miTurn right, heading SE.
  12. 200 ftSharp right onto Foster Point Trail, heading NE.
  13. 0.1 miPass Washington Park Arboretum Beach.
  14. 500 ftPass Foster Point.
  15. 450 ftTurn right, heading SE.
  16. 450 ftBear left, heading S.
  17. 50 ftBear right, heading S.
  18. 200 ftTurn right onto Arboretum Loop Trail, heading S.
  19. 150 ftTurn left, heading S.
  20. 200 ftTurn right, heading SW.
  21. 0.2 miReach Wetherill Nature Preserve, then turn around and head back the way you came.
  22. 0.2 miTurn left, heading N.
  23. 250 ftTurn right, heading NE.
  24. 150 ftTurn left, heading NE.
  25. 250 ftBear left, heading NE.
  26. 50 ftBear right, heading NE.
  27. 250 ftContinue straight onto Foster Point Trail, heading N.
  28. 200 ftTurn right, heading SW.
  29. 0.3 miSharp left onto Arboretum Waterfront Trail, heading S.
  30. 150 ftTurn right, heading NE.
  31. 0.5 miContinue straight onto SR 520 Trail, heading NW.
  32. 3.5 miTurn right, heading E.
  33. 50 ftBear left, heading E.
  34. 1.3 miTurn right, heading E.
  35. 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 map, photos and weather for this hike: www.ambleway.com/hikes/sr-520-viewpoint-montlake-cut-out-back-15-km-4458

Trail surface

85% paved7% gravel5% dirt3% other

Weather

ClearTemperature 84°F59°
Precip0%Wind5 mphUV7Humidity66%
Rained 0.1″ 2 days ago
Hourly temperature
85°55°
Sunrise 5:51 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:41 PM
Wed 89°63°
Thu 95°61°
Fri 88°60°
Sat 86°58°
Sun 84°58°
Mon 84°59°

Sunset

The best sunset spot on this hike is 0.8 mi in (~21 min). Leave by 7:59 PM for the 8:41 PM sunset. Back at your car by 9:14 PM — 2 min before dark.

More sunset hikes nearby

Good to know

  • Transit-accessible: NE 38th Pl & Lake Washington Blvd NE stop 300 m from the trailhead
  • Parking lot at the trailhead

Other ways to reach this destination

More from this trailhead

Hikes near Ashwood, Washington