AMBLEWAY Wildest hikes
US, WA 2014 - panoramio.jpg
Dawid Glawdzin · CC BY 3.0

Rockdale Lake & Lagoon cell #1 via Snoqualmie Tunnel

9.1 mi · ▲ 4,210 ft · 5 hr 8 min

Rockdale Lake & Lagoon cell #1 via Snoqualmie Tunnel is a 9.1-mile out-and-back near Rockdale, WA. The route passes Rockdale Lake before reaching Lagoon cell #1 at the turnaround, 4.6 miles in. It climbs 4,210 ft, with sections as steep as 67% grade, and is mostly gravel. It scores 16/100 on the Ambleway Wildness scale, staying close to roads and developed areas.

Elevation

0 mi2,494 – 4,016 ft · steepest grade: 67%9.4 mi

Getting there

Trailhead: Unnamed 47.38924, -121.43026
Nearest town Rockdale, WA
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Directions

AMBLEWAYwww.ambleway.com

Rockdale Lake & Lagoon cell #1 via Snoqualmie Tunnel

9.1 mi · ▲ 4,210 ft · 5 hr 8 min

Elevation 2,495–4,015 ft

Out & Back

Trailhead: 47.38924, -121.43026

Weather Jul 17: Fog, high 60°F / low 49° · precip 3% · wind 9 mph · sunrise 5:27 AM · sunset 8:58 PM

  1. Start at the trailhead, heading W.
  2. 50 ftPass Rockdale Lake.
  3. 250 ftSharp right, heading NW.
  4. 50 ftTurn left, heading N.
  5. 50 ftBear right, heading N.
  6. 0.1 miSharp left onto 9070-110, heading N.
  7. 0.5 miContinue straight onto Pacific Crest Trail, heading W.
  8. 0.1 miBear right onto 9070-115, heading W.
  9. 0.5 miSharp right onto Cascade Crest Connector, heading SW.
  10. 0.1 miSharp right onto Palouse to Cascades State Park Trail, heading NW.
  11. 3.2 miPass Lagoon cell #1.
  12. 150 ftReach Rockdale Lake, then turn around and head back the way you came.
  13. 3.2 miSharp left onto Cascade Crest Connector, heading SW.
  14. 0.1 miSharp left onto 9070-115, heading SW.
  15. 0.5 miBear left onto Pacific Crest Trail, heading SE.
  16. 0.1 miContinue straight onto 9070-110, heading SE.
  17. 0.5 miSharp right, heading E.
  18. 0.1 miBear left, heading E.
  19. 50 ftTurn right, heading NE.
  20. 50 ftSharp left, heading NE.
  21. 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/rockdale-lake-out-back

Trail surface

70% gravel15% dirt15% unspecified

Weather

FogTemperature 60°F49°
Precip3%Wind9 mphUV8Humidity71%
Hourly temperature
60°45°
Sunrise 5:27 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:58 PM
Sat 61°46°
Sun 75°51°
Mon 82°53°
Tue 87°60°
Wed 88°62°
Thu 80°57°

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