Closed winter gate at the trailhead.
Coal Creek.
Stillaguamish River with Marble Mountain (5,111').
Beaver Creek Campground.
Stillaguamish Peak (5,740') to the north.
Big Four Picnic Area turn-off.
Big Four Mountain (6,135') and Hall Peak (5,484') from the picnic area.
Big Four Picnic Area.
Looking north from the summer trail.
Stillaguamish Peak (5,740') to the north.
Footbridge over the South Fork Stillaguamish River.
Entering the old-growth forest.
Trail through the forest.
Big Four Ice Caves beneath winter snowpack.
Looking east at Sheep Mountain (6,166').
Hall Peak (5,484').
Small avalanche on Big Four Mountain (6,135').
Big Four Mountain (6,135') from the picnic area on the way out.