San Francisco | San Francisco Giants | Hudson River | Hudson's Bay Company | San Francisco 49ers | San Francisco Chronicle | San Francisco Museum of Modern Art | San Francisco Bay Area | San Francisco Bay | San Francisco Opera | San Francisco Symphony | Hudson Bay | Francisco Goya | Hudson | University of California, San Francisco | San Francisco Ballet | University of San Francisco | The Streets of San Francisco | San Francisco State University | Rock Hudson | Henry Hudson | San Francisco International Airport | San Francisco Art Institute | Presidio of San Francisco | Hudson Valley | Fine Arts Museums of San Francisco | Francisco de Quevedo | 1906 San Francisco earthquake | São Francisco River | Lockheed Hudson |
The river was first explored extensivelly in 1856 and 1857 by the Chilean Navy officers Francisco Hudson and Francisco Vidal Gormaz.