Smiths Falls-Montague (Russ Beach) Airport, , is located about east of the town of Smiths Falls, Ontario, Canada. The airport and airspace are not controlled, but published instrument approaches are available.
The airport is operated by the Smiths Falls Flying Club, and is certified by Transport Canada.
- Magnetic variation: 14° west
- Runway 06/24: 4,000 x 75 feet (1,120 x 23 meters), paved, lighted (ARCAL 122.9 MHz), abbreviated PAPI approach lighting at both ends
- Unicom/ATF: Smiths Falls Unicom/Traffic, 122.7 MHz
- NDB: Smiths Falls (YSH), 334 kHz (low power), 3.7 nm (6.85 km) 062° to airport