Trip Date: August 12, 2001

Nimbus Peak Day Climb & Trap Pass Trail Traverse:  Surprise Creek to Tunnel Creek

Surprise Lake
Trap Pass
Thunder Mountain Pass
Nimbus Peak aka Big Thunder Peak (6711 ft)
Upper Thunder Mountain Lake
Thunder Mountain: middle peak aka Middle Thunder Peak (6600+ ft)
Lightning Point (6680+ ft)
Hope Lake

Trip Report Summary

Region: Central Washington Cascades

Sub-Region: Upper Icicle Mountains

Area: Alpine Lakes Wilderness

Starting Point: Surprise Lake Trailhead on Scenic Road #6090 (Elev. 2200 feet)

Traverse Way Points: Surprise Creek & Surprise Lake & Trap Pass & Hope Lake & South Tunnel Creek (trail hike)

Traverse High Point: Trap Pass (Elev. 5800 feet)

Ending Point: Tunnel Creek Trailhead at end of Tunnel Creek Road #6095 (Elev. 3200 feet)

Sidetrip: Slippery Slab Meadows & Thunder Mountain Pass & Upper Thunder Mountain Lake (trail hike)

Summit: Nimbus Peak / Big Thunder Peak (rock scramble via South Slope)

Summit: Middle Thunder Peak (rock scramble via Northeast Slope)

Summit: Lightning Point (rock scramble via West Ridge)

Approximate Stats: 14 miles traveled; 5400 feet gained; 4400 feet lost.

Photo Gallery