Landscape of San Francisco

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Also known as: Frisco

City site

Hilly and roughly square, San Francisco occupies the northern tip of a peninsula. To its south are the bedroom suburbs of San Mateo county, to the east and northeast is the bay, and to the west and northwest lies the Pacific Ocean.

The most prominent of San Francisco’s hills are Twin Peaks, Mount Davidson, and Mount Sutro, all of which exceed 900 feet (270 metres) in elevation. The best known are Nob Hill, where the wealthy “nobs” (nabobs) built extravagant mansions in the 1870s, and Telegraph Hill, which once looked down on the Barbary Coast, a neighbourhood formerly alive with gaudy wickedness. As a result of the pioneer planners’ prejudice in favour of a squared-off grid, the downtown streets march intrepidly up precipitous slopes, terrifying newly arrived drivers, making the cable cars more than sentimental anachronisms, and providing splendid views of the bay.

San Francisco Bay is a drowned river valley, submerged during the melting of the last glacial ice sheet. Enthusiastic and profitable filling of the tidelands has reduced its area at mean high tide from about 700 square miles (1,800 square km) in 1880 to a mere 435 square miles (1,125 square km). More than half of the bay is still fillable, but in 1965 the state legislature created the Bay Conservation and Development Commission to control further landfill projects. At its widest extent the bay measures 13 miles (21 km) across; its deepest point, 357 feet (109 metres), is in the Golden Gate, a narrow channel between the peninsula and Marin county to the north that connects the bay to the Pacific. The maximum daily flow of water through the Golden Gate into the Pacific is seven times the flow of the Mississippi River at its mouth.

Within the portion of San Francisco Bay lying inside the city limits are the natural islands of Alcatraz and Yerba Buena and man-made Treasure Island, created for a world’s fair in 1939 and later turned into a naval base (1941–93). Alcatraz (Spanish: “Pelican”) was from 1934 to 1963 the most notorious maximum-security, “escape-proof” prison in the United States. In 1969, after the decaying cell blocks had been given up by the Federal Bureau of Prisons, a multi-tribal group of Native Americans invaded the island and asserted their rights to abandoned federal property, but they were forcibly evicted in 1971. The island became part of Golden Gate National Recreation Area in 1972 and has become a popular tourist attraction.

Climate

Winter in San Francisco is rainy and mild, spring sunny and temperate, summer foggy and cool, and autumn sunny and warm. The average minimum temperature is 51 °F (11 °C), and the average maximum is 63 °F (17 °C). The mean rainfall, almost all of which occurs between November and April, is about 21 inches (533 mm). There is sunshine during two-thirds of the possible daylight hours. The most characteristic feature of the weather, however, is the summer fog, which lies low over the city until midday, creating consternation among shivering tourists. This fog is a phenomenon of temperature contrasts, created when warm, moist ocean air comes in contact with cold water welling up from the ocean bottom along the coast.

City layout

The central business district, the financial district, North Beach, and Chinatown occupy the site of the gold-rush city, which subsequently was expanded by progressive fillings along the waterfront. The remnants of many ships that were deserted in 1849 now lie under office buildings several blocks inland. To the west, at the approach to the Golden Gate Bridge, lies the Presidio, a two-century-old military installation that became part of Golden Gate National Recreation Area in 1994; it is remarkable for its parklike lawns and wind-sculptured stands of trees. South of the Presidio is Golden Gate Park, reclaimed from a onetime sandy desert. The rest of San Francisco is largely composed of residential neighbourhoods, from Pacific Heights, in which the old, wealthy families reside, to Hunters Point, which is predominantly an African American community. Most are filled with flower-decked houses of pastel stucco and “painted ladies”—frame structures with abundant and often elegant architectural detailing, intricately coloured.

A great change, which has been described as the Manhattanization of San Francisco, became apparent after the late 1960s, and it has been both welcomed and resisted. In the financial district, in particular, one tall building after another has been constructed in a city in which, for generations, few structures were higher than 20 stories. Among the modern skyscrapers are 555 California Street (formerly known as the Bank of America building), the Transamerica Pyramid (which rises to an elongated point), and the Le Méridien San Francisco hotel (formerly the Park Hyatt). The Hyatt Regency is part of the massive Embarcadero Center complex—designed by John Portman in the 1970s—which encompasses six city blocks and houses numerous shops, hotels, and restaurants.

Another concern is one that San Francisco shares with few other U.S. cities—destruction by earthquake. Severe quakes have been felt in 1868, 1898, 1900, 1906, and 1989. But it was the 1906 earthquake that did the most damage and that has become identified with the city. A little after 5:00 am on April 18 the entire city began to tremble and shake. There was a terrible noise, “like the roar of 10,000 lions,” and San Franciscans knew they were experiencing a nightmarish earthquake. Cable cars jerked to a stop and the $7 million City Hall crumbled like a movie set. The glass roof over the Palace Hotel court splintered and rained down shards.

That quake was followed by a massive fire that destroyed the centre of town and burned for four days, until the smouldering ashes were wetted down by rain. Starting in the business section near Montgomery Street and the South of Market district, the inferno swept toward Russian Hill, Chinatown, North Beach, and Telegraph Hill, where Italians poured wine on the flames to save their houses. Gone were 4 square miles (10 square km), making up 512 blocks in the centre of town, along with 28,000 buildings and a total property value of about $350 million. It was originally thought that some 700 people died, though the death toll is now believed to be more than 3,000. In addition, 250,000 were left homeless, and survivors camped in Golden Gate Park. An Eastern journalist, celebrating the survival of a local distillery, composed the verse, “If, as some say, God spanked the town / For being over frisky, / Why did he burn the Churches down / And save Hotaling’s Whisky?”

Since the 1906 earthquake, seismologists and engineers have warned that it could happen again. Several relatively strong earthquakes (measuring more than 5.0 on the Richter scale) have since then caused little damage. But the quake on October 17, 1989, which measured 7.1 on the Richter scale, killed more than 60 people and caused severe damage to the Marina District and to some freeways and even more devastation to surrounding areas. Modern office towers were largely unaffected, indicating that new building methods may provide some protection for the city.