"[2] Rock Creek Wilderness is characterized by steep slopes, dense forest, and thick brush.

[1][3] Rock Creek Wilderness is primarily coniferous rainforest with dense ground cover.

Bigleaf Maple and Red Alder trees line both creeks.

Other vegetation include Salal, Salmonberry, Western Swordfern, and rhododendron.

Salmon, steelhead, and coastal cutthroat trout migrate upstream along both creeks each year to spawn.