Watchung Avenue (known as Park Street until April 1, 1919) is a New Jersey Transit station at the intersection of Watchung Avenue, Watchung Plaza, and Park Street in Montclair, New Jersey along the Montclair-Boonton Line.

The outbound platform faces the plaza, while the inbound platform and the station house are on the Park Street side.

The station house has a waiting room with a bathroom and a former post office and ticket booth.

Service to and from this station is weekdays (Monday to Friday) only, with all service stopping at intermediate points.

[10] The station's low-level side platforms are not wheelchair accessible.