The Inner North Coast Ranges ranges from about Anderson, California

Anderson, California

Anderson is a city in Shasta County, California, USA, approximately 10 miles south of Redding. The population was 9,932 at the 2010 census, up from 9,022 at the 2000 census....

 south along the east slope of the North Coast Ranges, around the south end of the High North Coast Ranges to west of the Russian River (California)

Russian River (California)

The Russian River, a southward-flowing river, drains of Sonoma and Mendocino counties in Northern California. With an annual average discharge of approximately , it is the second largest river flowing through the nine county Greater San Francisco Bay Area with a mainstem 110 miles ...

. The term inner is a reference to the greater distance of the ranges from the Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

, compared to the outer ranges that are nearer to that ocean.

Ecology

Willis Linn Jepson

Willis Linn Jepson

Willis Linn Jepson is known as California's most distinguished early botanist. He became interested in botany as a boy and explored adjacent regions. He had come in contact with various botanists before he entered college...

 was one of the first to describe the flora of the Inner North Coast Ranges. Jepson notes the presence of Yellow Pine

Yellow pine

Yellow pine may refer to the following:*Certain pines in the subgenus Pinus subgenus Pinus:**In American forestry, a term for several closely related species of pine with yellow tinted wood, including the Southern Yellow Pines , and the non-Southern yellow pines and several others...

 and Sugar Pine

Sugar Pine

Pinus lambertiana, commonly known as the sugar pine or sugar cone pine, is the tallest and most massive pine, with the longest cones of any conifer...

species.