- Redding is a city located in northern California, United States. It is the county seat of Shasta County and has a population of approximately 92,000 people. The city is situated in the Sacramento Valley, at the northern end of the Central Valley, and is surrounded by scenic mountains, including the Cascade Range and the Trinity Alps. Redding is known for its natural beauty and outdoor recreational opportunities, offering activities such as hiking, boating, fishing, and camping. It is also home to the Sundial Bridge, a pedestrian bridge designed by Santiago Calatrava that spans the Sacramento River and serves as a popular tourist attraction. Additionally, Redding has a diverse economy, with sectors such as healthcare, education, manufacturing, and retail contributing to its growth and development.