Upper Luther Burbank Park–Gallager Hill Open Space, 8 groves is a 14.2-mile out-and-back in Mercer Slough Nature Park near Beaux Arts Village, WA. The route passes Mercer Slough, Lake Washington, Gallager Hill Open Space and 4 more before reaching I 90 Viewpoint at the turnaround, 7.1 miles in. It climbs 809 ft, with sections as steep as 17% grade, and is mostly paved. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
Getting there
Directions
Upper Luther Burbank Park–Gallager Hill Open Space, 8 groves
14.2 mi · ▲ 809 ft · 5 hr 8 min
Elevation 16–273 ft
Out & Back · Mercer Slough Nature Park
Trailhead: 47.58557, -122.19003
Weather Aug 3: Clear, high 77°F / low 51° · precip 0% · wind 4 mph · sunrise 5:50 AM · sunset 8:42 PM
Transit-accessible: South Bellevue stop 113 m from the trailhead · Parking lot at the trailhead
- Start at the trailhead, heading SE.
- 200 ftBear left, heading E.
- 0.3 miPass Mercer Slough.
- 100 ftTurn right, heading NE.
- 0.1 miTurn right onto Bellefields Loop Trail, heading NE.
- 0.2 miTurn right, heading NE.
- 150 ftTurn right onto Lake-to-Lake Trail, heading SE.
- 0.8 miTurn right onto I 90 Trail, heading S.
- 0.4 miPass Lake Washington.
- 0.8 miBear right onto Frontage Road, heading W.
- 50 ftBear right, heading W.
- 50 ftContinue straight onto I 90 Trail, heading W.
- 0.2 miPass Gallager Hill Open Space.
- 0.3 miPass Upper Luther Burbank Park.
- 0.4 miPass Luther Burbank Park Beach.
- 0.2 miBear right, heading NW.
- 50 ftTurn left, heading NW.
- 0.7 miTurn right, heading NW.
- 200 ftBear right, heading NW.
- 350 ftTurn right, heading NW.
- 0.5 miBear left, heading W.
- 1.3 miPass East Portal View.
- 0.3 miPass I 90 Viewpoint.
- 0.3 miPass I 90 Viewpoint.
- 0.4 miReach Upper Luther Burbank Park, then turn around and head back the way you came.
- 0.4 miContinue straight onto Mount Baker Ridge Bicycle/Pedestrian Tunnel, heading SW.
- 0.3 miContinue straight onto I 90 Trail, heading SE.
- 1.6 miTurn left, heading E.
- 300 ftBear left, heading E.
- 0.4 miSharp right, heading E.
- 350 ftBear left, heading E.
- 200 ftBear right, heading E.
- 0.7 miBear right, heading E.
- 300 ftTurn right, heading NE.
- 1.1 miBear left onto Frontage Road, heading SE.
- 50 ftBear left onto I 90 Trail, heading SE.
- 1.2 miTurn left onto Lake-to-Lake Trail, heading E.
- 0.8 miTurn left, heading E.
- 150 ftTurn left onto Bellefields Loop Trail, heading E.
- 0.2 miTurn left, heading E.
- 0.1 miTurn left, heading N.
- 0.3 miBear right, heading N.
- 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
Weather
Sunset
The best sunset spot on this hike is 6.6 mi in (~171 min). Leave by 5:31 PM for the 8:42 PM sunset. Back at your car by 11:48 PM, after dark — bring a headlamp.
Good to know
- Transit-accessible: South Bellevue stop 113 m from the trailhead
- Parking lot at the trailhead
Other ways to reach this destination
More from this trailhead
- Sunset Ravine Neighborhood Park–Mercer Slough, 3 groves 4.3 mi · ▲ 166 ft
- Mercer Slough & Lake-to-Lake Trail 5.6 mi · ▲ 62 ft
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