Lost Lagoon lake was created in 1916 by the construction of the Stanley Park causeway; until then, Lost Lagoon was a shallow part of Coal Harbour, which itself is an extension of Burrard Inlet.
Lost Lagoon lake was created in 1916 by the construction of a causeway into the park, to connect the downtown to the north shore. Until then, Lost Lagoon was a shallow part of Coal Harbour, which itself is an extension of Burrard Inlet.