The Fann Mountains in Tajikistan are a stunning destination for experienced hikers and mountaineers. Accessibility can be challenging, requiring a 4x4 vehicle to reach trailheads, and the trails themselves are rugged and remote. While solo trekking is possible, hiring a local guide is highly recommended due to the difficulty of navigation and potential risks. The best time to visit is from June to September, as other months may have heavy snowfall. A multi-day trek, typically lasting 7-14 days, can cost anywhere from $500 to $1500+ depending on the level of service and whether you hire guides and porters. Permits are required and should be arranged in advance. Be prepared for high altitudes and changing weather conditions.