Where was The Parent Trap filmed?

The Parent Trap (1961) - Filming & production - IMDb

The Parent Trap (1998) - Filming & production - IMDb

The Parent Trap Movie Houses in Napa Valley and London

The Original Parent Trap Movie: Two Sisters, Two Houses

Silver Scenes - A Blog for Classic Film Lovers: TV/Movie Set: The Parent Trap Ranch

The Original Parent Trap Movie: Two Sisters, Two Houses

Lindsay Lohan recreates family photo in London 20 years on from The Parent Trap

The Parent Trap cast reunited for the first time in over 20 years

You can Visit the Houses from The Parent Trap! — the FilmTripper