Redding is a city in Northern California. It is the county seat of Shasta County, California, USA. With a population of 89,861, according to the 2010 Census. Redding is the state's largest city north of Sacramento and the fourth largest city in the Sacramento Valley behind Sacramento, Elk Grove, and Roseville.
Situated along the Siskiyou Trail, an ancient trade and travel route connecting California's Central Valley and the Pacific Northwest, the site of Redding was occupied by Native Americans of the Wintu tribe from about the year 1000. During the early 19th century, Hudson's Bay Company trappers and members of the United States Exploring Expedition passed through the site of Redding, while traveling along the Siskiyou Trail.