Explore details about location 青山公路 - 荃灣段 Castle Peak Road - Tsuen Wan. 青山公路 - 荃灣段 Castle Peak Road - Tsuen Wan is a location situated within the 新界 New Territories alongside other areas such as 大欖隧道 Tai Lam Tunnel, 大涌橋路 Tai Chung Kiu Road, 馬頭壩道 Ma Tau Pa Road.