Rolley Lake Provincial Park  Rolley Lake Provincial Park is a provincial park in British Columbia, Canada. It is located on Rolley Lake in the Stave Falls area of Mission, British Columbia. The area was used by the , homesteaded in 1888 by James and Fanny Rolley, and later used for logging operations. The park now provides campsites, use of the lake, and hiking, with an area of . Rolley Lake has a day use area, camping site, and two popular hiking trails. Rolley Lake trail circles the lake, and is an easy 3km loop. Rolley Falls hike is a 2.5km to-and-back trail that starts at the campsite and leads to nearby waterfalls site. Rolley Lake has an oceanic climate (Köppen climate type "Cfb"). The average annual precipitation is . Extremes vary from , recorded on January 31st, 1929 to , recorded on June 25th, 1925.