Thung Salaeng Luang

Kaeng Sopha Waterfall

Thung Nang Phaya Mueang Len

Duean Cave - Dao Cave

Kaeng Wang Nam Yen

Phruang Daeng Cave

Red Rose Waterfall

Thung Non Son

Rope bridge

Khao Long Ruea Ta Muen

         Khao Phetchabun is home to  National Park which contains a mountain range that runs north-south and serves as the dividing line between the provinces of Phitsanulok and Phetchabun.  It has an average elevation of approximately 500 meters above sea level with Khao Khae having the  highest summit at approximately 1,028 meters above sea level. The area has sandstone mountains, with summits and high plains, and the valleys are extensive and steeply sloped because sandstone is an erodible rock. The area is a catchment area and the the headwaters for a number of vital streams, including Khek Yai Creek, Khek Noi Creek, Thum Stream, Chomphu Canal, Nam Poi Canal, Wang Thong Canal, and Kok Creek.            

   Summer runs from  March to June, when the highest temperature is about 29 degrees Celsius. The rainy season is from May to October, when the total rainfall ranges from 1,300 to 1,700 millimeters per year, with the wettestmonth in September. The winter from November to February when the weather is much more pleasant and ideal for sightseeing.

       The forest conditions in the Thung Salaeng Luang National Park area are as follows:
             1. Hill evergreen forest is located at an elevaton of 1,000-meter above sea level and is home to Syzygium claviflorum, Castanopsis piriformis Hickel, Evergreen Chinkapin, Quercus helferiana, Syzygium grande, Schima wallichii Korth, Laportea Interrupta, Chloranthus Erectus, and Merkus Pine (Pinus merkusii Jungh & De Vriese). Ground plants include mosses, ferns, rattan vines, and various types of aloe, asdisplayed below.
             2. Tropical rain forest, which is located 800 meters above sea level and runs parallel to the riveror on moist slopes. Among the woods discovered are Quercus ramsbottomii, Aphanamixis polystachya, Baccaurea ramiflora, Diospyros montana, Garcinia cowa Roxb, Spondias pinnata, Toona ciliata, Polyalthia asteriella, Hydnocarpus ilicifolius, Champaca, Hopea ferrea Laness, Cinnamon, and Podocar. Lower ground plants include ferns such as Bird's nest fern, Holttum's Staghorn Fern, Molineria latifolia, Ficus foveolata Wall, Calameae, and ginger family plants, among others.
           3. Dry evergreen forests are found scattered throughout the country at elevations greater than 500 meters above sea level. Morinda coreia, Shorea thorelii Pierre ex Laness, Artocarpus lacucha, Polyalthia asteriella, Dipterocarpus alatus, Stereospermum neuranthum Kurz, Anisoptera costata, Adenanthera pavonina, Terminalia nigrovenulosa Pierre, Castanopsis inermis, and Eagle Wood are some of the more common wood species found.
            4. Coniferous forest (Pine forest) is located between 700 -900 meters above sea level, and is naturally a sparse forest with grasslands interspersed with Merkus Pine (Pinus merkusii Jungh & De Vriese), Hairy Keruing, Memecylon pauciflorum Blume, Helicia robusta, Great Elephant Apple, Garcinia cowa Roxb, and Diospyros fhretioides among other species. Ground plants include Hairy Grass, thin sharp grass, Imperata cylindrica, Sorghum halepense, Amorphophallus campanulatus, White Angel, ferns and others ground plants.
           5. Mixed deciduous forest occur between 400 - 700 meters above sea level and include Burma Padauk, Iron Wood, Lagerstroemia duperreana Pierre, Anisoptera costata, Gamari, Sterculia villosa, Dalbergia assamica, Vitex pinnata, Cratoxylum formosum (Jack) Dyer, Microcos aniculate, Tamalin Siamese Rosewood, Tomentose wrightia, and others. Ground plants include bamboo species, Asiatic Bitter Yam, Shampoo Ginger, Gynura pseudochina, and Elephantopus scaber. 
          6. Deciduous Dipterocarp Forests are found at an elevation of approximately 400 meters and include Burmese Sal, Hairy Keruing, Dipterocarpus Intricatus Dyer, Dipterocarpus tuberculatus Roxb, Burma Sal, Mangifera caloneura, Diospyros ehretioides, Great Elephant Apple, Canarium subulatum, Bombox anceps, and Phyllanthus emblica among the significant species. Lower ground plants discovered include Arundinaria pusilia, Imperata cylindrica, Para Grass, Amorphophallus campanulatus, Pueraria candollei, White Angel, and Phlai.
            7. Grassland is common in the large open spaces and is composed of a variety of grass species as well as stunted trees such as Helicia robusta, Great Elephant Apple, Hairy Keruing, Phyllanthus emblica, and ground plants as Para Grass, Carex baccans Nees, Imperata cylindrica, Sorghum halepense, White Angel, Asiatic Bitter Yam, Amorphophallus campanulatus, East Indian Walnut, Scutellaria longifolia Benth, Gynura pseudochina, Alpinia malaccensis, Atherolepis pierrei Cost, Indigofera wightii Wight, and Phoenix acaulis Ham.

           Thung Salaeng Luang National Park is home to a variety of wild animals such as Wild Elephants, Gaur, Pig-Tailed Macaques, Phayre's Leaf-Monkeys, Sambar Deer, Wild Boars, Burmese Hare, Common Treeshrew, Finlayson's Squirrel, the Cambodian Striped Squirrel, Oriental House Rat, Greater Short-Nosed Fruit Bat, Thick-Billed Green Pigeon, Asian Palm Swifts, Indian Rollers, Barn Swallows, Black-Crested Bulbuls, and Grey-headed Canary, Flycatchers. Amphbians and reptiles include the Asian Box Turtle, Soft-Shelled Turtle, Clouded Monitor, Tokay Gecko, Lizard, Eutropis macularia, Fowlea flavipunctatus, Copperhead Racer Snake, Oriental Whipsnake, Smith's Litter frog, Dark-Sided Frog, Rice Field Frog, and Parvulus parvulus. There are also numerous species of fish found in water sources, including the minnow, Mahseer Barb, Siamese Mud Carp, Moon Wrasse, Rhinobatos granulatus, Freshwater Batfish and the Horseface Loach.