Smiths Falls-Montague (Russ Beach) Airport, (IATA: YSH, ICAO: CYSH), is located about 3.5 nautical miles (6.5 km; 4.0 mi) east of the town of Smiths Falls, Ontario, Canada. The airport and airspace are not controlled, but published instrument approaches are available to both runway 06 (NDB) and 24 (GPS).
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 two Cessna 172's, 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 is frequently conducted over the paved runway 06/24.