This is a list of trains and train museums in the San Francisco Bay Area of Northern California in the United States.^[1]

Full-size commuter trains

The Bay Area hosts several regional commuter rail operations, as well as inter-city rail.

Commuter and intercity

• Altamont Corridor Express (ACE)^[2]
• Amtrak (California Zephyr, Capitol Corridor, Coast Starlight, and San Joaquins)^[3]
• Caltrain^[4]
• Sonoma–Marin Area Rail Transit^[5]

Rapid transit

• Bay Area Rapid Transit (BART)^[6]

Light rail / streetcar

• VTA light rail (VTA)^[7]
• San Francisco Municipal Transportation Agency (SFMTA)^[8]
  • Muni Heritage streetcars (including the Market Street Railway^[9])
  • Muni Metro
  • San Francisco cable car system^[10]

Full-size excursion trains

The Bay Area is home to several heritage railways that operate full size trains.

• Ardenwood Historic Farm – Fremont^[11]
• California Trolley and Railroad Corporation – San Jose^[12]
• Napa Valley Wine Train – between Napa and St. Helena^[13]
• Niles Canyon Railway – between Fremont and Sunol^[14]
• Roaring Camp & Big Trees Narrow Gauge Railroad
• Santa Cruz, Big Trees and Pacific Railway

Ride-on trains

The Bay Area is home to several ridable miniature railways.

East Bay

• Golden Gate Live Steamers – Berkeley^[15]
• Kennedy Park Train - Hayward^[16]
• Oakland Zoo – Oakland^[17][18]
• Redwood Valley Railway – Berkeley^[19]

Peninsula

• Central Park Bianchi Train – San Mateo^[20]
• Emerald Hills Railway – Redwood City^[21]
• Little Puffer – San Francisco Zoo^[22]

North Bay

• Seaside Railway at Six Flags Discovery Kingdom – Vallejo^[23]
• Sonoma TrainTown Railroad – Sonoma^[24]

South Bay

• Billy Jones Wildcat Railroad – Los Gatos^[25]
• Bonfante Railroad Train Ride and Sky Trail Monorail at Gilroy Gardens – Gilroy^[26]
• Happy Hollow Park & Zoo – San Jose^[27]

Museums

The Bay Area is home to several independent railway museums.

East Bay

• Golden Gate Railroad Museum – Niles Canyon^[28]
• Niles Depot Museum – Fremont^[29]

North Bay

• Tiburon Depot – Tiburon^[30]
• Western Railway Museum – Solano County^[31]

Peninsula

• Colma Historical Association – Colma^[32]
• Millbrae Train Museum – Millbrae, California^[33]
• San Francisco Cable Car Museum – San Francisco^[34]
• San Francisco Railway Museum – San Francisco^[35]

South Bay

• Los Altos History Museum – Los Altos^[36]
• Edward Peterman Museum of Railroad History – Santa Clara^[37]

Model trains

There are several clubs in the Bay Area that are home to large layout model trains.

North Bay

• Golden State Model Railroad Museum – Richmond^[38]

East Bay

• Alameda County Fairgrounds – Pleasanton^[39]
• Black Diamond Lines Model Railroad Club – Antioch^[40]
• Diablo Valley Lines – Walnut Creek^[41]
• Niles Depot Museum – Fremont^[29]
• Walnut Creek Model Railroad Society – Walnut Creek^[42]

Peninsula

Barron Park Garden Railway – Palo Alto^[43]

• Golden Gate Model Railroad Club – San Francisco^[44]
• West Bay Model Railroad Association – Menlo Park^[45]

South Bay

• Edward Peterman Museum of Railroad History – Santa Clara^[37]
• Silicon Valley Lines – San Jose^[46]