National
| Aucha Lochy | |
| Pushpin Map: | Scotland |
| Location: | Campbeltown, Scotland |
| Coords: | 55.4443°N -5.5964°W |
| Type: | Reservoir (earth embankment dam) |
| Outflow: | Auchalochy Burn |
| Basin Countries: | Scotland, United Kingdom |
| Area: | 117400m2 |
| Volume: | 463000m2 |
| Elevation: | 97m (318feet) |
Aucha Lochy is an impounding reservoir, situated 1 km to the north/north east of Campbeltown and is the main source of freshwater for the town.[1] The loch is also fished by Kintyre Angling Club. The earth fill dam was completed in 1905 and has a height of 8.8 metres.