Crossing more than one country Buddhist Circuit India Darjeeling Himalayan Railway Diamond Triangle, Odisha Markha Valley Trek The Golden Triangle (India) On the trail of Kipling's Kim Palace on Wheels Panch Kedar Sandakphu–Phalut Trek Sikkim Silk Route Nepal Annapurna Circuit Annapurna Sanctuary Everest Base Camp Trek The Great Himalaya Trail Indigenous Peoples Trail Island Peak Trek Langtang Valley Trek Manaslu Trek Mardi Himal Numbur Cheese Circuit Pakistan K2 base camp trek Sri Lanka World Heritage Sites Tour in Sri Lanka