According to the United States Census Bureau, the borough had a total area of 0.96 square miles (2.48 km²), all of which was land.
Located atop the Hudson Palisades, Anderson Avenue and Palisade Avenue are the town's major north–south thoroughfares, the latter offering views of the Hudson River and New York City skyline.

Unincorporated communities, localities and place names located partially or completely within the borough include Grantwood and Shadyside.

The borough borders the municipalities of Edgewater, Fairview, Fort Lee and Ridgefield in Bergen County, as well as North Bergen in Hudson County.

Grantwood is named for Grant's Tomb, located on the opposite shore of the river.
Gorge Road runs along the face of the cliff to the Edgewater waterfront.
According to the United States Census Bureau, the borough had a total area of 0.96 square miles (2.48 km²), all of which was land. Located atop the Hudson Palisades, Anderson Avenue and Palisade Avenue are the town's major north–south thoroughfares, the latter offering views of the Hudson River and New York City skyline.
Unincorporated communities, localities and place names located partially or completely within the borough include Grantwood and Shadyside.
The borough borders the municipalities of Edgewater, Fairview, Fort Lee and Ridgefield in Bergen County, as well as North Bergen in Hudson County.
Grantwood is named for Grant's Tomb, located on the opposite shore of the river. Gorge Road runs along the face of the cliff to the Edgewater waterfront.
Cliffside Park, New Jersey