Nature Challenge. Confluence Park. Plants. Will last 2 to 3 hours. Located W of Deerfoot Tr, E of the Airport. Go N on Deerfoot Trail. After 64thAv, exit onto Beddington Tr. It crosses over Deerfoot Tr.. At 1st light, at Beddington Blvd, turn right into parking lot. Leader, Karel Bergmann, 403-285-2380.