Phu Pha Lek National Park
Most of the forest in Phu Pha Lek National Park is productive. It is the source of the main rivers-which can be called "Forest of Water" an only one remained and very important for people in upper Northeastern Thailand, of Song K?hram River, Shi River, Uun River, Huy Lamphanchard, Huy Kracher etc. There are also the main reservoirs, under the patronage of His Majesty the King, such as Nam Uun Dam, Lampaow Dam and about 20 reservoirs around the park for people to use in consuming and agriculture.
Phu Pha Lek National Park, is a part of Phu Phan Mountain Range lying east and west about 54 kilometers and approximately 200 - 600 meters above sea level. The highest mountain is Phu Ang Sor about 695 meters above sea level. The area is the source of many big and small important-rivers such as Song Kram River, Yam River and Uum River. The soil in semi-evergreen forest is sandy soil, and in mixed forest and deciduous forest is laterite. And the stone is mostly sandstone.
Dinosaurs Grave locates in the middle of Phu Pha Lek Mountain, Song Dao district, Sakon Nakhon, and near the edge of Phu Phan Forest, Kham Muang district, Kalasin province. There are many animal stony-bones which crystallized during fossilization; some are still in the ground and stone, some are fossils of plants and animals and some are stony plants. Now, there is no clear evidence what animals and how old they are. The area, about 1,250 Rais (2,000,000 squares meters), has been estimated that more than hundred of animal remains haunting so that can be suitable for the name "Dinosaurs Grave".
Pre-historic Wall Painting
There is Pre-historic Painting, about 3,600 years ago, on a big rock. In the picture, painting with dense-red color, showing portly women standing in line, their hands on other shoulders, looks like they are doing an activity. The area is in Pa Dong Phanna and Pa Dong Pra Chao, Phu Takam Village, Tha Sila Sub-district, 18 kilometers away from the park's office.
There are many interesting caves which are appropriate for traveling and adventure such as Phu Pha Lek Mountain such as Klap Cave, Thong Chang Cave, Thong Kham Cave etc.
Di Mi Waterfall
Di Mi Waterfall, in the ridge of Phu San Ta Saeng and Phu Pha Daeng, Wang Sam Mo district, Udon Thani province, is a medium waterfall which has water all year round. It is the source of Huai Lam Phan Chat flowing to Lam Pao Dam, Kalasin province and to Chi River.
Dong Ko Cliff
Dong Ko Cliff is a high cliff on the peak of Phu Pha Lek next to the east of Suriyan Cliff. The area is also a good view point which traveler can enjoy seeing dense forest and complicatedly high mountains.
Hin Darn Man Pla Forest
Hin Darn Man Pla Forest is the forest of sandstone boulders complicatedly overlapping each other. The area is about 2,000 Rais (3.2 squares kilometers) and has beautiful grass and flower field which consists of very beautiful flowers such as Eriocaulon henryanum Ruhle, many kinds of Hypoxis daceae and Burmanniaceae etc.
Ho Song Dao
Ho Song Dao located on the peak of Phu Pha Lek Mountain about 700 meters above sea level. Traveler can see surrounding scenery almost 360 degrees so that suitable for studying stars at night and Meteor shower clearly. Every time having Meteor shower, there are crowded with thousands of travelers.
Kaeng Kula Waterfall
It is a small waterfall falling from the north part of Phu Pha Lek Mountain. There is water all the year round and more water in the rains so that becomes Yam River flowing to Nam Un Dam, Sakon Nakhon Province.
Kao Chan Waterfall (Nine Levels Waterfall)
Kao Chan Waterfall is cascading from the Peak of Phu Pha Lek Mountain. The water, only eight months in a year, runs to Huai Ma Fai Reservoir and to Chi River.
Lan U-sa Sawan
Lan U-sa Sawan is a plain on the peak of Phu Pha Lek Mountain about 1,550 Rais. The area is groves forest and has boulder groups alternating with grass fields look like artificial garden. There are many wild flowers such as many kinds of Hypoxis daceae and Burmanniaceae, Eriocaulon henryanum Ruhle, Dusita (Utricularia delphinioides Thor. ex Pell) etc.
Nam Chok Cliff
Nam Chok Cliff is a high cliff on the east part of the Peak of Phu Pha Lek Mountain. The area is a good view point which traveler can enjoy seeing Huai Huat Reservoir until out of sigh in Udon Thani Province and Khon Kan Province, and wonderful scenery of sunset in the evening.
There are medium-size reservoirs in Phu Pha Lek National Park which have beautiful sceneries such as Huy Nam Yard Reservoir, Huy Ma Fai Bon Reservoir, Kra Cher Reservoir and Huy Had Reservoir.
Suri Yan Cliff
Suriyan Cliff is a high cliff on the highest peak of Phu Pha Lek Mountain. The area is a good view point which traveler can enjoy seeing the attraction of sunrise in the morning.