Montgomery Street is a north-south thoroughfare in San Francisco, California, in the United States. It runs about 16 blocks from the Telegraph Hill neighborhood south through downtown, terminating at Market Street. South of Columbus Avenue, Montgomery Street runs through the heart of San Francisco's Financial District and contains one of the highest concentrations of financial activity, investment business, and venture capital in the United States and the world. For this reason, it is known as "the Wall Street of the West". South of Market Street, the street continues as New Montgomery Street for two more blocks to terminate at Howard Street in the SOMA district.