Sterling Mussoorie is a unique destination in itself. It is perched on the edge of a cliff that overlooks the picturesque Doon Valley. With deodar trees lining the ranges, snow-capped mountains at a distance and clouds rising from below you, a stay at Sterling Mussoorie will steal your heart. During winters, this is also one of the best places to see the magical winterline - an atmospheric phenomenon where a second horizon develops under special conditions. It is usually found in the cold months from the middle of October till January. It makes the evening sky look like it's painted with a mixture of colours. Did you know that winterline is visible only at two places in the whole world? One is in Switzerland and the other is right here at Mussoorie. The resort has 111 well-appointed rooms with a huge window in each room, from where you can enjoy the beauty of the alluring Doon valley. You can just grab a cup of tea and watch the clouds dancing around. If you are feeling adventurous, the rocky forest terrain has many trekking routes. And the resort's Holiday Activity Centre has a list of experiences like rope adventures, zip line, paintball, etc.