| Gravenhurst (Morrison Lake) Water Aerodrome | |
| Tc: | CML4 |
| Type: | Private |
| Operator: | Steven Shapiro |
| City-Served: | Morrison Lake |
| Location: | Gravenhurst, Ontario |
| Timezone: | EST |
| Summer: | EDT |
| Elevation-F: | 733 |
| Coordinates: | 44.8708°N -79.4606°W |
| Pushpin Map: | Canada Ontario |
| Pushpin Label: | CML4 |
| Pushpin Map Caption: | Location in Ontario |
| R1-Number: | n/a |
| R1-Length-F: | n/a |
| R1-Length-M: | n/a |
| R1-Surface: | Water |
| Footnotes: | Source: Water Aerodrome Supplement |
Gravenhurst (Morrison Lake) Water Aerodrome is located on Morrison Lake, and is 5NM west southwest of Gravenhurst, Ontario, Canada.