Jackson Demonstration State Forest is the largest demonstration forest

Forest

A forest, also referred to as a wood or the woods, is an area with a high density of trees. As with cities, depending where you are in the world, what is considered a forest may vary significantly in size and have various classification according to how and what of the forest is composed...

 operated by the State of California. The forest is entirely located within Mendocino County

Mendocino County, California

Mendocino County is a county located on the north coast of the U.S. state of California, north of the greater San Francisco Bay Area and west of the Central Valley. As of the 2010 census, the population was 87,841, up from 86,265 at the 2000 census...

 on land formerly owned by Caspar Lumber Company along California State Highway 20 between Willits

Willits, California

Willits is a city in Mendocino County, California, United States. Willits is located north-northwest of Ukiah, at an elevation of 1391 feet . The population was 4,888 at the 2010 census, down from 5,073 at the 2000 census. Willits is at the center of Mendocino County and its redwood forests...

 and the coastal city of Fort Bragg

Fort Bragg, California

Fort Bragg is a city located in coastal Mendocino County, California along State Route 1, the major north-south highway along the Pacific Coast. Fort Bragg is located west of Willits, at an elevation of 85 feet...

. It is managed by the California Department of Forestry and Fire Protection

California Department of Forestry and Fire Protection

The California Department of Forestry and Fire Protection is the State of California's agency responsible for fire protection in State Responsibility Areas of California as well as the administration of the state's private and public forests. It is often referred to as The California Department of...

. Logging of the area began in 1862, and intense industrial logging has taken place for many decades. There have been several generations of harvests and replantings. The 48652 acres (196.9 km²) that make up the forest were purchased in 1947 and the demonstration forest was created in 1949. Coast redwood is the most common type of tree in the forest, but there is also Douglas fir, grand fir

Grand Fir

Abies grandis is a fir native to the Pacific Northwest and Northern California of North America, occurring at altitudes of sea level to 1,800 m...

, hemlock

Tsuga

Tsuga is a genus of conifers in the family Pinaceae. The common name hemlock is derived from a perceived similarity in the smell of its crushed foliage to that of the unrelated plant poison hemlock....

, bishop pine

Bishop Pine

The Bishop Pine, Pinus muricata, is a pine with a very restricted range: mostly in the U.S. state of California, including several offshore Channel Islands, and a few locations in Baja California, Mexico...

, tanoak, alder

Alder

Alder is the common name of a genus of flowering plants belonging to the birch family . The genus comprises about 30 species of monoecious trees and shrubs, few reaching large size, distributed throughout the North Temperate Zone and in the Americas along the Andes southwards to...

, madrone and bay myrtle

Umbellularia

Umbellularia californica is a large tree native to coastal forests of California and slightly extended into Oregon.It is the sole species in the genus Umbellularia....

. The elevation of the land varies from 80 to 2200 feet (670.6 m). Precipitation near the coast averages 39 inches (990.6 mm) per year, but the average is 70 inches (1,778 mm) per year inland. The temperature reaches a low of 25 °F (-3.9 °C) and a high of 100 °F (37.8 °C).