High Quality Content by WIKIPEDIA articles! Scouting and Guiding in Ontario has a long history. Although there is some dispute about the founding of the first Scouting Group, 1st St. Catherines Scout Group has a documented existence from 1908. In 1955, the 8th World Scout Jamboree was held at Niagara-on-the-Lake, Ontario. Scouting continues in Ontario to the present day, serving thousands of youths in programs that suit the environment in which they live. There are several Scouting organizations operating in Ontario. The largest of these is Scouts Canada, which had a combined youth and adult membership as of August 2007 of 99,573.