Dogs are allowed at some local California State beaches. (This means on the beach not on the bluffs above the beach.) For a list click Dog Beaches.
Please thank these people for making your walks more wonderful
Coastwalk. They take care of coastal trails and offer organized hikes etc. Email them at firstname.lastname@example.org for details. Some of this will/can have hills to climb.
Creek Stewards (sponsored by the City of Santa Rosa) help with restoration projects and general care of many of the creeks and creekside paths in the city.
Stewards of the Coast and Redwoods promote the education, preservation and restoration of the Russian River and Sonoma Coast State parks.
Gaia Guided Hikes – Sugarloaf to Mt Tam.
LandPaths has preserves, conducts walks and provides educational opportunities.
Sonoma Land Trust acquires, develops and provides stewardship for land in Sonoma County.
Visit Dave and Bill. Send them an email. Rigorous monthly hikes at Jack London, Annadel, Hood Mountain, Shiloh Ranch and Spring Lake.
When planning a walk in San Francisco or in need of a good read try Thinkwalks.