Best Mekong Delta Discovery Small Group Adventure Tour from Ho Chi Minh City. Travel to the heart of the Mekong Delta on this small group adventure tour from Ho Chi Minh City. You'll board a private longtail boat, experience the diversity of the Mekong waterways first hand as you explore fish farms, exotic fruit farms and dine on traditional Mekong Delta food. Book and Save 20% Off Best Mekong Delta Discovery Small Group Adventure Tour from Ho Chi Minh City.