The Witcher filmed at Roque de los Muchachos, Garafía. High volcanic peaks, home to a major observatory, are used for the dragon hunt scenes.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer. This is an area, not a spot. The coordinate is its middle, so use it to navigate to the place and not to line up a shot.
Planning the trip? The Spain travel atlas covers money, language and getting around
Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in Garafía and it tells you what was shot around you, how to get there, and whether you can actually go in.
Download Venture for iOS Android