San Francisco Bay Area bicycle routes

Bay Area Bikepacking has a lot of nice bikepacking routes around the bay, primarily focused on the peninsula.

SF Peninsula Traverse is a 3-day bikepacking route along the peninsula.

Bay Area Triple Crossover goes through the north and east bay.

Jay's Essential Bike Rides lists paved routes near the Bay Area with details on how safe the roads seem.

The Official California Triple Crown Web Site has some extremely long distance rides, some of which are in the Bay Area.

Bay Area Bike Rides focuses on routes that are accessible with BART.

Bikes Eye View mainly has East Bay routes.

Gravel Bike California documents a few Bay Area gravel trails that make loops.

Stanford Cycling Team Local Routes has fitness-oriented rides on the peninsula.

Western Wheelers Route Sheets covers road routes all over the Bay Area.

Grizzly Peak Cyclists also focuses on road cycling in all parts of the Bay Area.

Bay Area Mountain Bike Rides covers the entire Bay Area but focuses more on off-road routes.