According to the United States Census Bureau, the city has a total area of , of which are land and are covered by water. Menlo Park is long and narrow on a northeast to southwest axis. The northeast portion borders the San Francisco Bay and includes the Dumbarton Bridge that connects Menlo Park to Fremont on the east side of the bay. The city shoreline includes the city's largest park, Bedwell Bayfront Park () and the Don Edwards San Francisco Bay National Wildlife Refuge. San Francisquito Creek marks much of the southeast border of the city. West Menlo Park (not part of the city despite its name) along Alameda de las Pulgas nearly separates the southwestern part of the city (known as Sharon Heights) from the rest. The extreme southwest is clipped by Interstate 280.