The Coast Forest District is comprised of the area bounded on the north by the State of Oregon, on the west by the Pacific Ocean, and on the south and east by a line declared and fixed as follows:
Beginning at the southwest corner of Santa Cruz County and running eastward along the southern boundaries of Santa Cruz and Santa Clara Counties to U.S. Highway 101; thence northerly along U.S. Highway 101 to Interstate Highway 680; thence northerly along Interstate Highway 680 to Interstate Highway 80; thence southerly along Interstate Highway 80 to State Highway 29 between Vallejo and the Carquinez Bridge; thence northerly along State Highway 29 to State Highway 128 at Rutherford; thence northerly along coinciding State Highways 29 and 128 to the junction of State Highways 29 and 128 at Calistoga; thence northwesterly along State Highway 128 to U.S. Highway 101; thence northerly along U.S. Highway 101 to the Covelo Road (State Highway 162, formerly designated 261); thence northeasterly along the Covelo Road to Mina Road (Mendocino County Road 336) just north of Covelo; thence northerly from Mendocino County into Trinity County along Mina Road, where it continues as Lake Mountain Road (Trinity County Road 503); continuing along Lake Mountain Road northwesterly through Kettenpom to the Ruth-Zenia Road (Trinity County Road 502) just southeast of Zenia; thence easterly and northerly along the Ruth-Zenia Road to the Van Duzen Road (Trinity County Road 511) at the Van Duzen River on the northwest side of Hettenshaw Valley; thence along the Van Duzen Road, following along a fork of the Van Duzen River and the main Van Duzen River northwesterly and northerly to State Highway 36; thence southeasterly along State Highway 36 to the South Fork of the Trinity River; thence northerly along the South Fork of the Trinity River and the main Trinity River to the Klamath River; thence northeasterly, then northerly along the Klamath River to the mouth of Indian Creek; thence northerly along Indian Creek to the crossing of State Highway 96; thence northeasterly along State Highway 96 to the Indian Creek Road (Siskiyou County Road 7C01); thence northwesterly along the Indian Creek Road following along Indian Creek to the crossing of Indian Creek in the south half of Section 25, Township 18N, Range 6E, HB&M, from whence the Indian Creek County Road continues as the U.S. Forest Service Grayback Road (U.S. Forest Service Road 40S07); continuing northwesterly along the Forest Service Grayback Road over the divide at the head of Indian Creek to the State of Oregon in Section 32, Township 19N, Range 6E, HB&M.
Cal. Code Regs. Tit. 14, § 907