Rani Sui Lake trek has widespread lush green mountains on sunny days which have a chunk of medicinal benefits. The lake at Rani Sui is a small mountain tarn with a 360-degree view of the Pir Panjal and Dhauladhar ranges. Rani Sui Lake Trek is the best Weekend trek in Manali which takes you to the high-altitude lake of the Dhauladhar range. Rani Sui Lake Trek 2020, Manali – Take this 4-day trek with a maximum altitude of 11154 feet and traverse the beautiful and untouched meadows of the valley.