[2] It originates on the western slope of Birch Creek Mountain in the Tushar Mountains in Fishlake National Forest, and its waters flow west into South Creek, then under Interstate 15 south of the town of Beaver, and thence to the Beaver River, and ultimately to the Sevier River and Lake.

Intensive grazing, historic extirpation of beaver (Castor canadensis), and conifer encroachment have all contributed to the degraded condition of Birch Creek.

When prehistoric Lake Bonneville became desiccated 8,000 years ago, remnant populations of cutthroat trout persisted in coldwater streams on the western slope of the Tushar Mountains, in particular, Birch Creek and North Fork North Creek.

[3] Behnke used meristic analysis in 1976 to first describe Bonneville cutthroat trout in Birch Creek[4] and this finding was later confirmed by several genetic analyses.

[3] A restoration project using beaver dam analogues to restore riparian habitat and decrease channel incision was conducted by Professor Joe Wheaton and team from Utah State University in conjunction with the Bureau of Land Management.