Mount Thom summit is a popular hike in the Promontory neighborhood of Chilliwack. The hike is relatively short but provides plenty of elevation gain and a good workout. This makes Mt. Thom a popular destination for locals who want to get into nature and work up a sweat, without doing a full-day hike. Mount Thom is popular with trail runners, families, and locals who want to get a quick after-work hike during long summer evenings.