Tredinnick Quarry is a former gritstone quarry which has not been worked since 2007, and extends to 4.26 hectares (10.53 acres). Since that time the site has been kept secure and..

The quarry is located in a rural location on the western side of the Fal Valley, 1km north-west of the village of Grampound. The quarry is located to the east of an unclassified public highway (Tredinnick Lane) which runs south towards..