CERES - Plumas County: An index to environmental information for the county. Extensive reference includes road, weather, and flood conditions, demographics, historical resources, maps.
Eastern Plumas Chamber of Commerce: Visitors' information and business directory for Portola and the Sierra Valley.
Indian Valley Chamber of Commerce: Towns and history, recreation and cultural activities, and business listings.
Plumas County Fire Safe Council: Board of directors, activities, fire forecast and tips from this organization.
Plumas County Visitors Bureau: Descriptions of recreation, events, communities and data on Plumas County.