http://www.metrovancouver.org/region/grousegrind/Pages/default.aspx Information on the Grouse Grind] It is a steep trail that climbs 853 m (2800 feet) from the gate and timer near the bottom of the trail to the "Grind Timer" at the top of the trail, a distance of 2 kilometers , with an average grade of 17° (31%) and short sections of up to 30° (58%).