Oxygen-rich summer retreat to refresh your lungs! Explore this 5A-rated canyon paradise

**1. Overview**
Heishan Valley, located in Wansheng Economic Development Zone of Chongqing, is a national 5A-level scenic area renowned for its "seclusion, adventure, wonder, and beauty." It's a famous summer retreat and natural oxygen bar in Chongqing.

**2. Transportation Guide**
1. Self-drive:
- From downtown Chongqing → Yuqian Expressway → Qiwan Expressway → Wansheng exit → Heishan Valley Scenic Area (about 1.5 hours)
- Parking available at both South Gate and North Gate

2. Public transport:
- Chongqing Sigongli Hub Station/Chenjiaping Bus Station → Wansheng Bus Station (about 1.5 hours)
- Wansheng Bus Station → Heishan Valley Scenic Area (about 40 minutes)

**3. Ticket Information**
- Admission: ¥85/person
- Sightseeing bus: ¥30/person (recommended)
- Cable car: ¥30/person (optional)

**4. Recommended Tour Route**
North Gate entrance → South Gate exit (total duration about 6-8 hours)
1. North Gate → Sightseeing bus to Shenlong Cave (about 15 minutes)
2. Walking tour of core scenic area (about 4-5 hours):
- Shenlong Cave
- Flying Fish Waterfall
- Dang'erhuang Bridge
- Chongqing-Guizhou Boundary Bridge
3. Exit at South Gate → Return to North Gate by sightseeing bus

**5. Must-see Attractions**
1. Flying Fish Waterfall: Spectacular waterfall with nearly 100-meter drop
2. Chongqing-Guizhou Boundary Bridge: Landmark where you can straddle two provinces
3. Dang'erhuang Bridge: Thrilling suspension bridge experience
4. Shenlong Cave: Mysterious karst cave landscape

**6. Practical Tips**
1. Best season: May-October (average summer temperature 23℃)
2. Essentials to bring:
- Non-slip shoes (slippery paths)
- Rain gear (changeable canyon weather)
- Sun protection
- Drinking water and snacks
3. Limited dining options inside, recommend bringing food
4. Elderly and children advised to use sightseeing bus + cable car combo

**7. Important Notes**
1. Some steep sections require caution
2. Some areas may close during rainy season due to rising water levels
3. Heavy crowds on weekends/holidays - recommend off-peak visits

**8. Nearby Recommendations**
1. Ordovician Park (about 30 minutes drive)
2. Longlin Stone Sea Scenic Area (about 40 minutes drive)

Heishan Valley is a rare summer retreat near Chongqing, featuring deep canyons and cascading waterfalls - the perfect choice for a cool summer getaway!