Hidden Valley offers great enclosure to Coonoor, an awesome hill station of Nilgiris. Hidden Valley is quite mesmerizing flocked with innumerable tourists from all over the globe. It is only 4 kms far away from Coonoor center and is not less than a great stunning place of the hill station. The valley is an idyllic place for carrying adventurous activities like trekking, rock-climbing and also mountaineering. A person can capture great stunning picturesque and panoramic views of lush landscapes just by standing near the Hidden Valley. One could say the site as the lifeline of the Coonor hill station.