by Roy Opie of Stithians on an Ariel 500 and 22.34 seconds by WC Cuff in a Cooper-Daimler. The event regularly attracted 2,000 spectators. References Further reading External links Trengwainton Garden visitor information at the National Trust Trengwainton Hill Climb Programme Covers Country houses in Cornwall Grade II listed buildings in Cornwall Gardens in Cornwall National Trust properties in Cornwall Penwith