Trekking in Nepal During Monsoon: Is It Worth It? The Best Rain-Shadow Treks for June, July & August www.treklanders.com Trekking in Nepal During Monsoon | Best Rain-Shadow Treks Planning a Nepal trek during monsoon? Discover the best rain-shadow treks including Upper Mustang, Nar Phu, Upper Dolpo, and Annapurna for dry trails and great mountain views.