Khao Kho, located in Thailand's Phetchabun Province, is known for its stunning natural scenery and serene atmosphere. One of the best activities in Khao Kho is exploring the Khao Kho National Park, where visitors can enjoy hiking trails that lead to breathtaking viewpoints and diverse flora and fauna. The park is a great place for nature lovers and those seeking tranquility.

Another highlight is visiting the Khao Kho Palace, which was once a royal residence and offers insight into the region's history. The palace is surrounded by beautiful gardens, making it a pleasant spot for a leisurely stroll. Nearby, the Wat Prathat Pha Son Kaew is a prominent temple that features impressive architecture and a large white Buddha statue. The temple provides a peaceful environment for reflection and photography.

For those interested in local culture, the Khao Kho Market is worth a visit. The market showcases regional produce, handicrafts, and local delicacies, allowing visitors to experience the flavors of the area. Additionally, exploring the local coffee shops can be a delightful experience, as Khao Kho is known for its coffee production.

If you are looking for scenic viewpoints, Phu Thap Boek is a popular spot that offers panoramic views of the surrounding mountains and valleys. The area is especially beautiful during sunrise and sunset, providing a perfect setting for photography enthusiasts.

Lastly, the Khao Kho Wind Farm is an interesting site to see modern renewable energy efforts in action. The wind turbines against the backdrop of the mountainous landscape create a unique contrast and are a testament to sustainable practices in the region.

In summary, Khao Kho offers a blend of natural beauty, cultural experiences, and opportunities for relaxation, making it a worthwhile destination for those looking to escape the hustle and bustle of more touristy areas.