This site, totaling 309 acres, preserves sphagnum bogs and a 2 acre "eyelet" pond, which represent ecosystems that are now extremely rare in the Puget Trough (Eyelet ponds are open water areas bounded by a quaking mat of sphagnum peat). T he site protects populations of few-flowered sedge, a state Sensitive plant, Hatch's click beetle, and Beller's ground beetle, both state Threatened animal species only found in very good condition sphagnum bogs.  (King County)