Tilicho Lake, situated high in the Annapurna range of the Himalayas, is renowned as one of the highest lakes in the world. Trekking to Tilicho Lake is a challenging but rewarding experience, typically undertaken as part of the Annapurna Circuit or a dedicated Tilicho Lake trek. Accessibility is limited due to the remote location and high altitude, requiring a good level of fitness and acclimatization. While solo treks are possible for experienced trekkers, guided tours are recommended for safety and logistical support. The best time to visit is during the pre-monsoon (April-May) and post-monsoon (September-October) seasons, as weather conditions are more favorable; winter brings heavy snowfall and extreme cold, restricting access. The cost of a trek can vary greatly depending on the level of service, permits, and duration, generally ranging from $800 to $2000 or more. A typical trek to Tilicho Lake takes approximately 10-14 days, including acclimatization days. Permits are required for the Annapurna Conservation Area and possibly the restricted area permit depending on the route.