Drinking Source
Watershed Tours
From Local Creeks
~ To Headwaters
Camping
Half of California’s rivers outflow through the thin inlet throat of the Golden Gate
Local Creek/Arroyo Visits
Upcoming 3 hr
Local Tour:
Sunday March 8, 2026
Hidden Waterfalls of the East Bay: Las Trampas and Lamorinda Watersheds
Gorgeous local flows abound all around the Bay Area, with nearby reservoirs protecting precious drinking water ~ we’ll tour these local treasures over a few hours, traveling through familiar neighborhoods to find hidden histories ~ how water changes land and culture across aeons, with gratitude for our Bay Area ecosystems still supporting biodiversity, and fresh waters where we live.
A chance to dip in the Mokelumne River, below Pioneer Road bridge about 45 mins from headwaters camp.
East Bay/
Mokelumne River/
Lower Bear Reservoir
Upcoming Headwaters
Camping Tour:
June 27/28, 2026
Explore our local East Bay creeks and reservoirs, lunch at the Delta’s Pirates Lair Cafe, cross the fertile valley to check out swim spots along the Mokelumne and Cosumnes Rivers, visit the Camanche Fish Hatchery, party at Pardee Reservoir, then camp in the headwaters at Lower Bear River Reservoir, with explorations of the Mokelumne Wilderness.
Overlooking Poopenaut Valley, above the Tuolumne River below Hetch Hetchy, 4000 ft above sea level.
SF / Tuolumne River / Hetch Hetchy Tour
Upcoming Headwaters
Camping Tour:
Aug 22/23, 2026
Below the surface in San Francisco, past the Pulgas Water Temple, the lower foothill reservoirs and aqueducts, swimming at Rainbow Natural Pool, camping outside Yosemite National Park near Hetch Hetchy Reservoir, with a chance to visit Tuolumne Meadows at 8,600ft in the high Sierra Nevada Mountains.
Sierra overlooks the Yuba just upstream from Edwards Crossing Bridge
Yuba River Tour
Most Recent Tour:
Sept 27/28, 2025
We’ll tour each of three Yuba River forks, find extra-special swim spots, support rematriation initiatives,
witness the legacies of hydraulic mining, camp near the crest of the headwaters, and learn how some of the most complex water systems,
criss-crossing this section of Sierra-Nevadas, shelter Yuba county from the worst effects of climate chaos.