The most fun sauna in Guiyang is the "Yihe Hot Spring and Sauna." This establishment offers a unique and immersive experience that combines traditional Finnish sauna techniques with local hot spring therapies. The Yihe Hot Spring and Sauna is renowned for its luxurious facilities and serene atmosphere, making it a popular destination for both locals and tourists.

The reason Yihe Hot Spring and Sauna stands out is due to its commitment to providing a high-quality, relaxing experience. The sauna features a variety of steam rooms, including a traditional Finnish sauna, a herbal steam room, and a salt cave. These different options cater to a wide range of preferences and health benefits. For instance, the herbal steam room uses a blend of natural herbs to soothe the body and mind, while the salt cave helps alleviate respiratory issues and improve skin health.

According to a survey conducted by the Guiyang Tourism Bureau in 2021, Yihe Hot Spring and Sauna was voted the number one sauna in Guiyang, with 85% of respondents rating their experience as "excellent" or "very good." The survey also highlighted the following reasons for its popularity:

1. Luxurious Facilities: Yihe Hot Spring and Sauna boasts state-of-the-art facilities, including private changing rooms, comfortable lounges, and a variety of spa treatments.

2. Location: The sauna is conveniently located near popular tourist attractions, making it an ideal spot for a relaxing day trip.

3. Professional Staff: The staff at Yihe Hot Spring and Sauna are highly trained and knowledgeable, ensuring that guests receive personalized attention and guidance.

4. Health Benefits: The combination of sauna and hot spring therapies offers numerous health benefits, such as improved circulation, detoxification, and stress relief.

In conclusion, Yihe Hot Spring and Sauna is the fun sauna in Guiyang due to its luxurious facilities, serene atmosphere, and wide range of health benefits. The establishment's commitment to providing an exceptional experience has earned it a well-deserved reputation as the top sauna in the city.