#Linyi Firefly Water Cave · Underground Grand Canyon Tourist Area Guide (latest in 2026) This national 5A-level scenic spot is composed of two independent scenic spots, the ** underground grand canyon ** and the ** firefly water cave **, which are about 16 kilometers apart. It is a rare karst cave summer resort in the north. The cave has a constant temperature of 18 ° C all year round. Summer play can be called a natural air-conditioned room. --- ##1. Basic information & ticket purchase guide ###1. Ticket prices (official latest in 2026) | Ticket | Price | Includes Benefits | |------|------|----------| | Double scenic spot ticket | 168 yuan/person | valid period of 2 days, each of the two scenic spots enters the park once; Firefly water cave includes Butterfly Valley, water cave cruise | | Underground Grand Canyon single ticket | 98 yuan/person | valid period 1 day, including cave core landscape tour | | Firefly water hole single ticket | 120 yuan/person | valid period 1 day, including Butterfly Valley, water hole cruise | ✅ ** Preferential Policy **: - Free tickets: children under 1.2 meters, elderly people over 70 years old, active duty soldiers/retired military cadres/disabled people (with valid documents) - Half price: 1.2-1 children, 60-69 years old, full-time undergraduate and below students (with valid documents) ⚠️ Note: Tickets do not include sightseeing cars, rafting, geocentric fantasy and other secondary consumption items, are voluntary choices. ###2. Opening hours 8:00-18:00 throughout the year, it is recommended to enter the park before 16:00 to avoid missing the tour time. --- ##2. Traffic & Parking Guide ###1. External traffic - ** Self-driving (most recommended) **: Directly navigate the "Firefly Water Cave Visitor Center" or "Underground Grand Canyon Visitor Center", about 1.5 hours' drive from Linyi City, with good highway conditions. - ** Public transportation **: After the high-speed rail arrives at Linyi North Railway Station, you can take a taxi directly to the scenic spot (about 100 yuan); or take a car to Yishui Bus Station first, and then take a taxi to the scenic spot (about 10 yuan). 2. There is a ** free shuttle bus ** between the two scenic spots, which departs within 30 minutes and takes 20 minutes by car. Tel: 0539-2558888. ###2. Parking charges The parking lot for both scenic spots is 10 yuan/car/time. - New energy vehicles are free within 2 hours, free within 4 hours of charging; temporary pickup vehicles are free within half an hour; The underground Grand Canyon parking lot is scattered. Remember to remember the parking space number after parking to avoid trouble finding a car. --- ##3. Tour routes by scenic spot (in the recommended order) It is recommended to play ** Underground Grand Canyon ** (1.5-2 hours) first, and then play ** Firefly Water Cave ** (2.5-3 hours), the best light and shadow effect in the afternoon, the total time is 4-5 hours, and the day trip time is abundant. ###▶️ First stop: Underground Grand Canyon (China's first underground river rafting hole) Core Highlights: Guinness Certified Longest Cave Rafting, Northern Karst Wonders 1. ** Admission section (choose one of the two) **: - Labor-saving option: Sightseeing car 20 yuan/person, 4 minutes directly to the entrance of the cave; - Leisure option: Walk 1200 meters for 15-20 minutes, and you can often see little squirrels in the forest, which is suitable for taking photos and strolling slowly. 2. ** Inside the cave core tour **: After entering the cave, the stalactite landscapes such as the Kowloon Palace, Tongtian Gorge, and Kowloon Waterfall are clocked in turn. The fantastical feeling is full under the illumination of the lanterns. Remember to look slowly. The stalactite "relies on three points to see, and seven points to think". 3. ** Underground river rafting section (must experience!) **: - Recommended choice: underground river rafting is 60 yuan/person, with a total length of 1000 meters and a rafting time of 8 minutes. The kayak shuttles between the dark rivers of the cave, with waterfalls, light and shadow walls along the way, which is cool and exciting. It is an ace project in the scenic spot. - If you don't want to drift, you can take the walking path, which is 15 minutes away, to see the details of the stalactites in more detail. 4. ** Exit section (choose one of the two) **: - Like technology selection: geocentric illusion 40 yuan/person, holographic light and shadow + human-machine interaction experience, suitable for parents and children; - Regular route: Go directly out of the cave through the Dongzang wine exhibition area. ###▶️ Second stop: Firefly Water Cave (unique cave firefly spectacle in Asia) Core Highlights: Boating in the dark river to see fireflies, parent-child clock in Butterfly Valley 1. ** Admission section (choose one of the two) **: - Labor-saving option: sightseeing car 10 yuan/person, 5 minutes to the vicinity of Butterfly Waterfall; - Leisure options: 1500 meters on foot, 15-20 minutes, passing by Firefly Valley (with firefly science exhibition) and Lotus Valley along the way, the vegetation is lush and cool. 2. ** Butterfly Valley Section **: Visit the Butterfly Waterfall, Butterfly Valley, and Butterfly Herbarium in turn. More than 50 kinds of butterflies will fly around and occasionally fall on clothes, making them very famous. After that, you can walk to the Dream Gallery, the Lake View Platform, and the Cliff Waterfall Rafting Point. 3. ** Cliff waterfall rafting section (optional) **: - Like exciting options: cliff waterfall rotating rafting 50 yuan/person, the total length is nearly 1000 meters, 5 minutes, rotating along the cliffs through the dense forest, it is very refreshing to play in summer; - Leisure options: Take the Yuxian Lake Trail, 1200 meters for 10-15 minutes, the trees are densely covered with water vapor, and it is very comfortable to walk. 4. ** Firefly Water Cave Core Experience (must go!) **: After entering the hole, take the artificial traction of the light boat into the dark river, thousands of fireflies on the top of the hole like the stars twinkling, the whole quiet romantic, ⚠️ strictly forbidden to open the flash, with strong light irradiation, can not take pictures, need to feel the heart, tour time about 30 minutes. 5. ** Return leg (choose one of the two) **: After exiting the cave, pass through Moon Town, and you can take a 10 yuan per person sightseeing car for 5 minutes back to the parking lot, or walk back for 10-15 minutes. --- ##4. Must-bring items & pit avoidance tips 1. ** Wearing equipment **: - 18 ° C all year round in the cave, be sure to bring a thin coat in summer to avoid catching a cold; - The ground inside the hole is slippery, so you must wear non-slip sneakers, not slippers or high heels; - There is no need to buy a raincoat for both rafting projects, and basically no clothes will be splashed. 2. ** Attention to play **: - It is strictly forbidden to use mobile phones and flashlights to illuminate fireflies in the firefly water cave, which will damage their living environment and affect the experience of other tourists; - The scenic waters are not suitable for playing with water guns, so do not bring water guns in; - It is recommended to bring your own mineral water and small snacks, and the price in the scenic spot is relatively high; When visiting, the elderly and children must be accompanied by their families, walk slowly, and pay attention to their feet. 3. ** Photo suggestion **: - The stalactite landscape in the cave can be photographed, and the light and shadow effect when entering the cave around 3 pm is the best; - Butterfly Valley wears light-colored clothes more easily, and butterflies will be more willing to fall on them. --- ##5. Peripheral facilities ###1. Food There are restaurants in the scenic spot, focusing on Yimeng specialties: Yimeng fried chicken, Mengshan whole sheep soup, pancake rolls and green onions, with authentic taste; you can also eat in the town of Dongtou, which is more affordable. ###2. Accommodation - Cost-effective choice: Yishui Cave Xianju, 6 minutes' drive from the scenic spot, with an independent courtyard, suitable for family outings; - High-end selection: Yishui Blue Ocean International Hotel, complete facilities, good service, suitable for vacation. ###3. Stop by the clock in If you play for two days, you can stop by the surrounding natural underground galleries, Zhimi Mountain Residence, or go to Tongjiazhuang Blueberry Picking Garden (summer) to experience picking.