Eilean Donan Castle will switch off its lights as part of conservation group WWF’s Earth Hour.
Owners of buildings and individuals across the world have been asked to turn out lights for 60 minutes from 2030 GMT on 28 March.
The Forth Rail Bridge and Edinburgh Castle are also part of the switch off.
Christ the Redeemer statue in Rio de Janeiro, the Eiffel Tower and Sydney Opera House will also be blacked out.
Contact Private tours Edinburgh online or by phone on +447305294773 .
- Whisky tours
- Outlander tours featuring a visit to Lallybroch , Jamie Fraser‘s ancestral home , just 30 minutes from Edinburgh
- Falkirk tours including the amazing Kelpies and the Falkirk Wheel
- Doune Castle tours , Doune featured in Monty Python , Game of Thrones , the Outlaw King and Outlander