The Black Loch on the Fife / Perthshire border. The county boundary runs right through the loch which is reached on foot by walking around to the far side of Loch Glow which is in Fife. The setting sun lit up the craggy slopes of Dumglow for about 5 minutes before it sank further.
Processed the RAW file twice, once for the sky and reflections and again for everything else before blending them together using a layer mask in Photoshop.
Simon Swales