Potter Valley is a census-designated place[4] in Mendocino County, California, United States.

[2] It is located 18 miles (29 km) north-northeast of Ukiah,[5] at an elevation of 948 feet (289 m)[2] at the headwaters of the East Fork Russian River.

They found three Pomo villages (each about 500 people strong), the Russian headwaters, and a lush valley with wild oats "stirrup high".

Potter Valley is a rich agricultural region, with excellent soils, planted mostly in irrigated pasture, wine grapes, and pears, but supporting a wide variety of farms and ranches.

Potter Valley has a hot-summer Mediterranean climate (Csa) typical of the interior of Northern California, with hot, dry summers and cool, wet winters, along with great diurnal temperature variation.

There were 267 housing units at an average density of 65.8 per square mile (25.4/km2), of which 152 (63.1%) were owner-occupied, and 89 (36.9%) were occupied by renters.

[13] Federally, Potter Valley is in California's 2nd congressional district, represented by Democrat Jared Huffman.