Newcombe Harbour is a natural harbour located on Pitt Island, British Columbia, Canada. Currently named after Captain Holmes Newcombe who was with the Fisheries Protection Service from 1903 to 1923.
The entrance is wide, while the body is long and between wide. The harbor has drying banks at its head, and is surrounded by nine mountains.
The harbour and surrounding area is known for an abundance of (parastichopus californicus) sea cucumbers, (panopea generosa) geoduck clams, and red and green sea urchins.