| Montréal/Saint-Lazare Aerodrome | |
| Tc: | CST3 |
| Type: | Private |
| Operator: | Cooper Aviation Inc. |
| Location: | Saint-Lazare, Quebec |
| Timezone: | EST |
| Summer: | EDT |
| Elevation-F: | 175 |
| Coordinates: | 45.3925°N -74.1342°W |
| Pushpin Map: | Canada Quebec |
| Pushpin Label: | CST3 |
| Pushpin Map Caption: | Location in Quebec |
| R1-Number: | 02/20 |
| R1-Length-F: | 2,585 |
| R1-Surface: | Asphalt/grass |
| R2-Number: | 08/26 |
| R2-Length-F: | 2,275 |
| R2-Surface: | Grass |
| Footnotes: | Source: Canada Flight Supplement |
Montréal/Saint-Lazare Aerodrome is a small, general aviation airport located adjacent to Saint-Lazare and approximately 20km (10miles) west of Montreal Quebec, Canada.