Touted as the ultimate place in Lombok to unwind and reflect, Air Kalak Hot Springs is located at the foot of Lombok’s most famous volcanic peak, Mount Rinjani. Said to have medicinal volcanic mineral properties, the enigmatic spring sits on the northeast of the crater amidst lush mountains, and visitors can enjoy relaxing baths in the turquoise, naturally heated water. Air Kalak Hot Springs is a 200-metre hike away from the basecamp.