I. Overview
OMG Heartbeat Park (also known as Chuiyun Tongtian River) is nestled in Tonglu, Hangzhou—a thrilling experiential park hidden in a karst valley . The park is built around the theme of “Soaring to the Sky & Exploring the Underground,” featuring three major themed zones: Journey to the West Secret Realm, Magic Forest, and Sky City. It integrates cave exploration, high-altitude challenges, mountain karting, and canyon rafting into a comprehensive mountain-themed park .

With its unique combination of an 18°C year-round cave and thrilling high-altitude attractions, the park has become a popular summer escape and outdoor adventure destination in the Jiangsu-Zhejiang-Shanghai region. It welcomes families, couples, corporate team-building groups, and young adventurers .

II. Core Attractions

1. Tongtian River Boat Ride
   Cruise through a 4.5-kilometer underground river and admire karst cave wonders formed approximately 270 million years ago. The cave maintains a constant temperature of 18°C year-round, warm in winter and cool in summer. Stalagmites are illuminated by lighting technology, creating a dreamlike atmosphere. Along the way, visitors can experience the world's first immersive underground river performance “Journey to the West Dream,” with live NPCs recreating classic scenes .

2. Sky Road Speed Racer (Tianlu Feiche)
   A 2.2-3 kilometer New Zealand-style mountain karting track with fully elevated design. Visitors control their own speed while spiraling down mountain curves, experiencing both speed and control—often called a “real-life QQ Speed” .

3. Dragon Drift (Zhulong Piaoyue)
   A 1,350-meter fully transparent glass water slide featuring 720-degree double-loop spins. Inflatable boats glide through bamboo forests, splashing water for a refreshing thrill. The park provides free raincoats, and drying facilities are available at the end .

4. Lingyun Sky Bridge
   A 300-meter cross-mountain glass bridge at a vertical height of over 150 meters. Walking on it feels like standing in the clouds, offering a perfect spot for courage tests and photo opportunities .

5. Nine Heavens Cloud Corridor (Jiutian Yunlang)
   An A-shaped glass observation deck at 400 meters above sea level, extending 100 meters from the mountain. It offers panoramic views of the surrounding mountains—an ideal location for capturing stunning landscape photos .

6. Earth Core Expedition (Dixin Kaokedui)
   A hiking adventure into a natural karst cave. Visitors wear professional equipment and explore geological wonders such as limestone, stalactites, stone pillars, and potholes under expert guidance. It combines fun with educational value, perfect for family science learning .