The region north of Kathmandu offers a multitude of trekking destinations, all accessible without flights .The three major areas are Langtang, Gosainkund and Helambu, which can be combined in many different ways to make treks from seven to 16 days long.
Langtang is a narrow valley that lies just south of the Tibetan border. It is sandwiched between the main Himalayan range to the north and a slightly lower range of snowy peaks to the south. Langtang Lirung (7246m) dominates the valley to the north ; Gang Chhenpo (6388m) and Naya Kangri (5846m) lie to the south ; and Dorje Lakpa (6966m) protects the east end of the valley. Tne area was designated Nepali's first Himalayan national Park in 1971.