Fort Funston is a dog beach in San Francisco. It is a popular off-leash area with ample space for dogs to run and play. The location provides water bowls and shaded spots for pets. Dogs are allowed to swim, but caution is advised due to currents and steep cliffs.

Crissy Field Marsh in San Francisco is a dog-friendly trail and recreational area. It offers off-leash access to beaches and grassy fields for dogs of all sizes. Amenities include a doggie water fountain and a washing station. Owners must dispose of pet waste properly. Leash rules apply in certain wildlife protection areas.

Lands End Trail is a water category location in San Francisco. It is a popular dog-friendly hike that allows multiple dogs. An off-leash beach area is available near the Sutro Baths, providing specific access for dogs to enjoy the water.

Presidio of San Francisco is a water category area in San Francisco. It is a popular dog friendly hike with many dog friendly locations, including Chrissy Field beach. Dogs are allowed throughout the area.

Sibley Volcanic Regional Preserve in Oakland, a trails destination, allows dogs on its trails. Dogs must be leashed near entrances and developed areas, but can be off-leash under voice control on many trails. Water faucets are available for pets. There is no pet fee to bring dogs. Dogs are not permitted on adjacent Huckleberry trails.

Philosopher's Way Trailhead, located in San Francisco's McLaren Park, permits dogs on-leash. The broader McLaren Park offers designated off-leash dog play areas, including one with a reservoir for dog swimming. Owners must pick up dog waste. All dog sizes are welcome, and dog walkers may bring up to eight dogs.

Bull Valley Staging Area, part of Carquinez Strait Regional Shoreline in Crockett, is a dog-friendly trail system. Dogs of all sizes are welcome and can be off-leash in undeveloped areas under voice control, but must be leashed in parking lots and developed sections. Dogs are not permitted on the pier or in the water. Waste disposal and running water are available.

Oyster Bay Regional Shoreline in San Leandro is a dog-friendly water park. Dogs are allowed off-leash in undeveloped areas and on-leash on paved trails and near picnic tables. The park offers easy water access for dogs to swim and provides water fountains. All dog sizes are welcome.

Devil's Slide Trail is a popular dog friendly hike in Pacifica, categorized as a trail. The entire trail is paved, offering an easy walking experience for dog owners and their pets. Reviews indicate it is a favorite walk in the area.

Reinhardt Redwood Regional Park in Oakland, CA, is a dog-friendly park with miles of trails through redwood forests. Dogs are allowed on most trails off-leash if under voice control, but must be leashed in developed areas and on specific trails like Stream Trail. A seasonal fee of $2 per dog applies at the main entrance. Owners must clean up after their pets.