| Smiths Falls-Montague (Russ Beach) Airport | |
| Iata: | YSH |
| Icao: | CYSH |
| Type: | Public |
| Owner: | Town of Smiths Falls and the Township of Montague |
| Operator: | Smith Falls Flying Club & APM |
| Location: | Smiths Falls, Ontario |
| Timezone: | EST |
| Summer: | EDT |
| Elevation-F: | 418 |
| Coordinates: | 44.9458°N -75.9403°W |
| Pushpin Map: | Canada Ontario#Canada |
| Pushpin Label: | CYSH |
| Pushpin Map Caption: | Location in Ontario |
| Website: | Smith Falls Flying Club |
| R1-Number: | 06/24 |
| R1-Length-F: | 3,998 |
| R1-Surface: | Asphalt |
| Footnotes: | Source: Canada Flight Supplement |
Smiths Falls-Montague (Russ Beach) Airport is a registered aerodrome located about 3.5NM east of the town of Smiths Falls, Ontario, Canada.
The airport is operated by the Smiths Falls Flying Club, and is registered with Transport Canada. The Smiths Falls Flying Club operates a flight training unit with three Cessna 172 airplanes, and there is 100LL avgas available 24 hours via a self-serve credit card system. There are no landing, ramp or tie-down fees. Surface level aerobatics are frequently conducted over the paved runway 06/24.