📜 Historic 1855 tunnel, Grade II listed building. Cavernous hidden sandstone passage beneath Nottingham, built as a grand approach to a Victorian residential area, connecting The Park Estate to Derby Road. Never used as intended due to a design flaw. # Why Go 🚶 Publicly accessible subterranean footpath 🏛️ Explore Victorian engineering and history 🏞️ Carved from natural Nottingham Castle Sandstone 🔍 Explore unique shades and tones of color from erosion 📸 Great for unique infrastructure photos # Why Avoid ⛰️ Steep Victorian-era steps for access 🅿️ Terminates in an office parking lot # Tips 📍 Derby Road end accessed via gates marked 'Parkgate and the Convent'. Access also off Tunnel Road within The Park Estate. 🗺️ Mid-way point accessible from The Ropewalk. Mid-way point coordinates: 52.955, -1.1583 🐦 Watch for resident pigeons # Hours 🕒 Open to pedestrians.