The West Rail Line is one of the MTR lines in Hong Kong, indicated by the colour dark magenta. It was formerly known as the KCR West Rail . The line connects Hung Hom Station in Kowloon and Tuen Mun Station in Tuen Mun, 35.4 km away, in 37 minutes. The railway runs through the cities of Kowloon,  Castle Peak and Tsuen Wan.