Clash of the Titans (2010 film) (Wikipedia) Filming locations Filming began April 27, 2009, in London at Shepperton Studios. Filming also took place in Wales and the Canary Islands (Spain), primarily in Tenerife (more specifically in the Teide National Park, World Heritage Site). Similarly, in Maspalomas Dunes, in Gran Canaria, and Timanfaya National Park in Lanzarote. While aerial photography was to be conducted in Iceland and Ethiopia.[2] Filming of volcano scenes at the Harriet hole in Dinorwic Slate Quarry in Wales wrapped at the end of July.[26] This slate quarry has also been used for locations for Willow and Street Fighter