The main overland approach to Ladakh is from the Kashmir valley via the 434-km. Srinagar-Leh road, which remains open for traffic from early June to November. The most dramatic part of this road journey is the ascent up the 11,500 ft.(3505 m high Zoji-la, the pass in the Great Himalayan Wall that serves as the gateway to Ladakh. The J&K State Road Transport Corporation (J&KSRTC) operates regular Deluxe and Ordinary bus services between Srinagar and Leh on this route with an overnight halt at Kargil.Taxis (cars and jeeps) are also available at Srinagar for the journey. Groups can charter Deluxe and A-class buses for Leh, Kargil or Padum (Zanskar) from the J&K SRTC at Srinagar. Since 1989, the 473-km Manali-Leh road has been serving as the second land approach to Ladakh. Open for traffic from around mid-June to early October, this high road traverses the upland desert plateaux of Rupsho whose altitude ranges from 3,660 m to 4,570 m. A number of high passes fall enroute among which the highest one, known as Taglang-la, is the world’s second highest motorable pass at an altitude of 17,469 feet (5,325 m.) Himachal Pradesh Tourism, H.P. SRTC and J&K SRTC operate Deluxe and Ordinary bus services between Manali and Leh. The bus journey between Leh and Manali takes about 19 hours or two days with an overnight halt in camps at Serchu and Pang. Gypsy and jeep taxis are also available, both at Manali and Leh.