Sierra Valley Sierra Valley, located on east slope of the Sierra Nevada Mountains near Sierraville, Loyalton & Portola. Winter home to many raptors including: Red-tailed Hawk, Ferruginous Hawk, Rough-legged Hawk, Prairie Falcon, and both species of Eagles. and White-headed Woodpecker, Townsends's Solitaire, Pygmy Nuthatch and Mountain Chickadee. We'll carpool from Nevada County Government Center (Rood Center) 950 Maidu Ave, Nevada City. All levels of birders. Walk from cars with one or two short walks on level ground. Inclement weather will cancel. Reserve: Dale Rubach 530-272-3698