Rock Glen Conservation Area (RGCA) is in Arkona, Ontario, Canada. Home to Arkona Lions Museum and Information Centre with an impressive collection of Devonian Era fossils, minerals, and artifacts found in the area. Stairs, boardwalks and bridge allow visitors to safely explore the steep sides of the glen and 10.7-metre high waterfall upstream of Ausable River. Owned and managed by Ausable Bayfield Conservation Authority (ABCA). The museum is open to the public daily in July and August from 10 a.m. to 5 p.m. and weekends only or by appointment in May, June, September, and October, from 10 a.m. to 5 p.m. (During May, June, September, and October the museum is open by appointment or chance during the week).