Explore details about location 青山公路 – 新墟段 Castle Peak Road - San Hui. 青山公路 – 新墟段 Castle Peak Road - San Hui is a location situated within the 新界 New Territories alongside other areas such as 關門口街 Kwan Mun Hau Street, 城門道 Shing Mun Road, 翠琳路 Tsui Lam Road.