| Alma (Rivière La Grande Décharge) Water Aerodrome | |
| Tc: | CGD2 |
| Type: | Public |
| Operator: | Air Maintenance Martin Bouchard |
| Location: | Alma, Quebec |
| Timezone: | EST |
| Summer: | EDT |
| Elevation-F: | 230 |
| Coordinates: | 48.5633°N -71.6158°W |
| Pushpin Map: | Canada Quebec#Canada |
| Pushpin Label: | CGD2 |
| Pushpin Map Caption: | Location in Quebec |
| R1-Number: | n/a |
| R1-Length-F: | n/a |
| R1-Length-M: | n/a |
| R1-Surface: | Water |
| Footnotes: | Source: Water Aerodrome Supplement |
Alma (Rivière La Grande Décharge) Water Aerodrome is located 1NM northeast of Alma, Quebec, Canada and is open from the middle of April to the middle of November.