AMBLEWAY Wildest hikes
2023-07-11, Enatai Beach Park, Bellevue, Washington, 20.jpg
Steven Pavlov · CC BY-SA 4.0
Mercer Slough Nature Park

Gallager Hill Open Space–Lake Washington, 4 lakes

6.6 mi · ▲ 236 ft · 2 hr 19 min

Gallager Hill Open Space–Lake Washington, 4 lakes is a 6.6-mile out-and-back in Mercer Slough Nature Park near Fortuna, WA. The route passes Gallager Hill Open Space, Lake Washington and Mercer Slough. It is mostly level, with 236 ft of elevation gain, and mostly paved. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi16 – 161 ft7.6 mi

Getting there

Trailhead: Unnamed 47.57817, -122.21423
Nearest town Fortuna, WA
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Directions

AMBLEWAYwww.ambleway.com

Gallager Hill Open Space–Lake Washington, 4 lakes

6.6 mi · ▲ 236 ft · 2 hr 19 min

Elevation 16–162 ft

Out & Back · Mercer Slough Nature Park

Trailhead: 47.57817, -122.21423

Weather Aug 4: Clear, high 77°F / low 51° · precip 0% · wind 4 mph · sunrise 5:50 AM · sunset 8:42 PM

  1. Start at the trailhead, heading NW.
  2. 50 ftPass Gallager Hill Open Space.
  3. 0.5 miTurn right onto I 90 Trail, heading E.
  4. 0.2 miPass Lake Washington.
  5. 0.1 miBear left onto Frontage Road, heading E.
  6. 50 ftBear left onto I 90 Trail, heading E.
  7. 0.6 miPass Mercer Slough.
  8. 0.7 miTurn left onto Lake-to-Lake Trail, heading E.
  9. 0.8 miTurn left, heading NW.
  10. 150 ftTurn left onto Bellefields Loop Trail, heading N.
  11. 0.2 miTurn left, heading W.
  12. 0.1 miTurn left, heading SW.
  13. 0.2 miTurn left, heading W.
  14. 350 ftBear left, heading S.
  15. 100 ftReach Gallager Hill Open Space, then turn around and head back the way you came.
  16. 50 ftBear right, heading S.
  17. 350 ftTurn right, heading S.
  18. 0.2 miTurn right, heading SW.
  19. 0.3 miTurn right, heading NW.
  20. 150 ftTurn right onto Lake-to-Lake Trail, heading NW.
  21. 0.8 miTurn right onto I 90 Trail, heading S.
  22. 1.3 miBear right onto Frontage Road, heading W.
  23. 50 ftBear right, heading W.
  24. 50 ftContinue straight onto I 90 Trail, heading W.
  25. 0.3 miTurn left, heading W.
  26. 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/lake-to-lake-viewpoint-out-back-9-km

Trail surface

72% paved13% dirt11% boardwalk2% gravel2% unspecified

Weather

ClearTemperature 77°F51°
Precip0%Wind4 mphUV7Humidity68%
Hourly temperature
80°50°
Sunrise 5:50 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:42 PM
Tue 84°57°
Wed 89°59°
Thu 94°60°
Fri 88°59°
Sat 85°57°
Sun 84°58°

Other ways to reach this destination

Hikes near Fortuna, Washington