Explore details about location 青山公路 - 元朗段 Castle Peak Road - Yuen Long. 青山公路 - 元朗段 Castle Peak Road - Yuen Long is a location situated within the 新界 New Territories alongside other areas such as 青衣北岸公路 Tsing Yi North Coastal Road, 媽廟路 Ma Miu Road, 大埔太和路 Tai Po Tai Wo Road.