| Cobbinshaw Reservoir | |
|---|---|
| Location | South Lanarkshire |
| Lake type | reservoir |
| Basin countries | Scotland |
Cobbinshaw Reservoir is a reservoir in South Lanarkshire, Scotland. It is situated near the Pentland Hills, between West Calder and Carnwath. The 310-acre (1.3 km2) site is a Site of Special Scientific Interest (SSSI) and is popular with wildfowl.
Cobbinshaw Reservoir was built by James Jardine to feed the Union Canal (Scotland) via the Bog Burn, Murieston Water, and through Mid Calder to the Almondell Aqueduct and Lin's Mill Canal Feeder.