You need four permits to climb the Lobuche East Peak. They are the TIMS (Trekking Information Management System) permit, Khumbu Pasang Lhamu Entrance Permit, Sagarmatha National Park Entry Permit, and Lobuche East Peak Climbing Permit. TIMS permit costs NPR 2000($18) per person Khumbu Pasang Lhamu Entrance Permit costs NPR 2000 ($20) Sagarmatha National Park Entry Permit costs NPR 3000 ($30) (For travelers from the SAARC countries, it’ll cost you NPR 1000/ $10) Lobuche East Peak Climbing Permit costs: $70 per person during June/July and August $125 per person during September to February Sublime Trails covers the cost of these permits if you book the Lobuche East Peak Climbing trip with us.