The Annapurna Circuit is a classic trekking route in Nepal, circling the Annapurna Massif. It spans 160-230 km (100-145 miles), depending on the itinerary, and reaches a maximum altitude of 5,416 meters (17,769 feet) at Thorong La Pass. It’s renowned for its diverse landscapes, from lush subtropical valleys to arid high-altitude deserts, and offers stunning views of Annapurna I (8,091m), Dhaulagiri (8,167m), and Manaslu (8,163m).