Donner Bike Camping Overnighter on August 17, 2026 bikepacking Bivvy a Month Butte County Dirtbags Donner Lake mountain bike Sierra Nevada singletrack truckee +
The Knave - Oakland Tribune - 19 Oct 1941, Sun - Page 17 on January 19, 2019 1800s classen donner dutch flat hayward hike history knave oakland oroville redwood peak redwoods santa cruz tribune truckee +