Harka Weeps In the hiking world, Rai is commonly referred to as Harka. Harka has almost three decades of expertise working in adventure tourism in Nepal. He is an expert and the country's foremost French-speaking travel operator. He has worked for a number of French firms. In a year, he spends four months in France. Harka is a specialist in advising and customizing trips based on cost, quality, and safety.