Fair season in the Ottawa Valley will wrap up with a big bash under the bright lights of the Renfrew Fairgrounds starting this Thursday, September 10. The Renfrew Fair returns for its 171st year this weekend with four days packed with adventure and excitement for the whole family, including the famous truck and tractor pulls and demolition derby, a thriving midway with vendors, games, and rides, and a deep connection to our local famers and crea…