There are 3 forest types within Phu Phan. Dry Dipterocarp is the most common covering 42% of the park. Dry everygreen is the second most common and is found mostly in the southern part of the park. Mixed Deciduous is a transitional forest type found between the Dry dipterocarp uplands and the Dry everygreen areas located next to water. The park was established to preserve the forest in this area.

It is a limestone mountain and a water source such as Huay Hidlard, Huay Boon, Huay Kok, Huay Muang, Huay Hinpoon, Huay E-kon, and Huay Wangpla. Some areas are the grass field and very beautiful as well as the steep cliff.

Phra That Phu Phek

The ruins odd a building built to hold the breast bone of Buddha. Located on top of Phu Phan mountain. Most people climb the 500 steps to get the good views.

Seri Thai Cave

This cave was used by the royalty during November. It started as a project to bring employment to the area. There are four resident elephants which you may see between 3-4 pm. The building are not open to the public but they are set in nice grounds.

Kam Hom Waterfall

a small three layer waterfall with water in the rainy season and for a couple of months into the cold season. Popular with locals at weekends.

Nang-mern cliff

The cliff is faced to the west and can see far away. It is good to set up camping here to see the sunset.

Natural Stone Bridge

It is connected two groups of stones and wide about 1.5 meters and long 8 meters. In the south is wide enough to used as a shade.

Phu-pan Mountains

It is well known but few have visited there especially Sakolnakon-Kalasin border where is still very well reserved.

Pree-cha Suk-san Waterfall

It is a stone field and slope for 30-40 degree. It is 12 meters high and looks like a slider.

Savoye Cliff

It is in Kalasin Province. The cliff is faced to the south. King Phumipol have been and had lunch here so it was called Savoye Cliff since then.