This is a niche full‑day outdoor adventure tour in Yangshuo. Enjoy hotel pick‑up within Yangshuo and Xingping area. Led by certified professional outdoor instructors, you will experience four fantastic activities in one trip: underground‑river paddleboarding, primitive karst cave exploration, high‑line zip‑line and via ferrata climbing. Upon arrival at the outdoor base, follow safety briefings from coaches. Paddle your SUP board into the dim underground cave along the subterranean river and admire spectacular stalactite formations. Venture deep into the untouched karst cave for underground discovery. Challenge via ferrata by climbing along steel cables on cliff faces with panoramic views of Yangshuo’s karst peaks and countryside. Finish with an exciting zip‑line gliding across the valley. Full professional safety gear is provided. Perfect for adventure‑seekers looking for off‑the‑beaten‑path experience beyond regular sightseeing in Yangshuo。