The Annapurna Circuit is a breathtaking trek in Nepal, circling the Annapurna Massif and offering diverse landscapes from lush forests to high-altitude deserts. It typically takes 10-15 days, reaching a maximum altitude of 5,416 meters (17,769 feet) at Thorung La Pass. Tilicho Lake, a glacial lake, is a popular side trip from the circuit. Located at 4,919 meters (16,138 feet), it’s one of the highest lakes in the world, known for its stunning turquoise waters and surrounding peaks. The trek to Tilicho Lake is challenging but rewards with unparalleled natural beauty.