Viaduct Quarry

{{Short description|Geological Site of Special Scientific Interest in Somerset, England}}

{{Use dmy dates|date=April 2022}}

{{Use British English|date=February 2023}}

{{Infobox SSSI

|image=240px

|name=Viaduct Quarry

|aos=Somerset

|interest=Geological

|gridref={{gbmappingsmall|ST621443}}

|coordinates = {{coord|51.19665|-2.54378|type:landmark_region:GB|display=inline,title}}

|displaymap=Somerset

|area={{convert|0.3|ha|km2 sqmi}}

|notifydate={{Start date|1984}}

|enref=1000040

}}

Viaduct Quarry ({{gbmapping|ST621443}}) is a 0.3 hectare geological Site of Special Scientific Interest near Shepton Mallet on the Mendip Hills in Somerset, notified in 1984.

This disused quarry is a Geological Conservation Review site identified as the best exposed and thickest section in the Downside Stone, a localised limestone development which accumulated adjacent to the Lower Jurassic Mendip Island.