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

Rockdale Lake & Lagoon cell #1 via Snoqualmie Tunnel

9.5 mi · ▲ 4,234 ft · 5 hr 17 min

Rockdale Lake & Lagoon cell #1 via Snoqualmie Tunnel is a 9.5-mile out-and-back near Rockdale, WA. The route passes Rockdale Lake before reaching Lagoon cell #1 at the turnaround, 4.7 miles in. It climbs 4,234 ft, with sections as steep as 68% grade, and is mostly gravel. It scores 17/100 on the Ambleway Wildness scale: paved and peopled.

Elevation

0 mi2,510 – 4,016 ft · steepest grade: 68%9.7 mi

Getting there

Trailhead: Unnamed 47.39229, -121.43235
Nearest town Rockdale, WA
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Directions

AMBLEWAYwww.ambleway.com

Rockdale Lake & Lagoon cell #1 via Snoqualmie Tunnel

9.5 mi · ▲ 4,234 ft · 5 hr 17 min

Elevation 2,510–4,015 ft

Out & Back

Trailhead: 47.39229, -121.43235

Weather Jul 18: Overcast, high 62°F / low 46° · precip 2% · wind 5 mph · sunrise 5:28 AM · sunset 8:57 PM

  1. Start at the trailhead, heading E.
  2. 0.1 miSharp right onto 9070-110, heading S.
  3. 0.2 miBear left, heading W.
  4. 50 ftPass Rockdale Lake.
  5. 0.5 miContinue straight onto Pacific Crest Trail, heading W.
  6. 0.1 miBear right onto 9070-115, heading NW.
  7. 0.5 miSharp right onto Cascade Crest Connector, heading W.
  8. 0.1 miSharp right onto Palouse to Cascades State Park Trail, heading W.
  9. 3.2 miPass Lagoon cell #1.
  10. 150 ftReach Rockdale Lake, then turn around and head back the way you came.
  11. 3.2 miSharp left onto Cascade Crest Connector, heading SW.
  12. 0.1 miSharp left onto 9070-115, heading E.
  13. 0.5 miBear left onto Pacific Crest Trail, heading SE.
  14. 0.1 miContinue straight onto 9070-110, heading SE.
  15. 0.5 miBear left, heading SE.
  16. 0.2 miSharp left, heading NE.
  17. 500 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-lagoon-cell-1-out-back-3-lakes-15-km-2f33

Trail surface

68% gravel14% dirt18% unspecified

Weather

OvercastTemperature 62°F46°
Feels like48°Precip2%Wind5 mphUV8Humidity82%
Hourly temperature
65°45°
Sunrise 5:28 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:57 PM
Sun 70°51°
Mon 84°53°
Tue 86°59°
Wed 83°60°
Thu 82°56°
Fri 66°48°

More from this trailhead

Hikes near Rockdale, Washington