Field Trips › AUG 1/ Canoeing the River in Mongo AUG 1/ Canoeing the River in Mongo $0.00 Saturday August 1stThe most affordable, the most fun. Come out and float down the Pigeon River, with Mongo River Run! Get notified by email when this product is in stock. Add To Cart Added! Saturday August 1stThe most affordable, the most fun. Come out and float down the Pigeon River, with Mongo River Run!