Two of the Thornton Lakes stacked in a granite cirque below Mt. Triumph, seen from the Trappers Peak ridge
Photo: Walter Siegmund · CC BY 2.5 · cropped

Trappers Peak

Hard Planned

North Cascades

On the list. Not hiked yet.

Road access: Open

~5 mi rough access road off SR 20. Mixed reports; clearance helps.

As of . Road status changes; check the land manager before you go.

Distance
10.6 mi
Gain
3,800 ft
High point
5,966 ft
Route
out-and-back
Season
Jul–Oct
Drive from Seattle
~2h 40m
Pass
Northwest Forest Pass or America the Beautiful (per WTA)

Best time of year

Peak season now · Best Jul–Oct, peak Aug–Sep

The scramble wants dry, snow-free rock.

Peak In season Out of season This month

A long forest approach pays off with a hands-on ridge scramble and a rare close view of the Southern Pickets, with the three Thornton Lakes stacked below.

Via the Thornton Lakes Trail. Class 2–3 scramble finish with some exposure.

  • scramble
  • Picket Range views
  • cirque lakes
  • low crowds

Trailhead weather

65°F

⛅ Overcast

💨 4 mph

🌧️ 4%

☀️ UV 4

Thu

66°

45°

37%

Fri

🌨️

56°

44°

96%

Sat

🌧️

54°

40°

82%

More photos · 2, by season where the date is known

The Southern Picket Range from the summit of Trappers Peak

The Southern Picket Range from the summit of Trappers Peak

Photo: Walter Siegmund · CC BY-SA 3.0 · cropped 1 / 2