Single Traveler Friendly: Trekking/ Hiking | Book Hokkaido Tours, Activities & Things to Do with VELTRA Single Traveler Friendly: VELTRA specializes in local tours and activities, making it the perfect choice for single travelers who want to secure bookings for Trekking/ Hiking (Mountain Activities) in Hokkaido, Japan! VELTRA offers fun things to do all over the world, with options for outdoor adventure, shows, attractions and sightseeing. Instant confirmation, an abundance of customer reviews and our lowest price guarantee are all available to help you get the most out of your trip!