Chiang Mai is the second largest Province (changwat) of Thailand. It lies in upper northern Thailand and has a population of 1.78 million people. It is bordered by Chiang Rai to the northeast, Lampang and Lamphun to the south, Tak to the southwest, Mae Hong Son to the west, and Shan State of Burma to the north. The capital, Chiang Mai, is 685 kilometres (426 mi) north of Bangkok.
Pa Hin Ngam is a national park in Chaiyaphum Province, Thailand. "Hin ngam" means "beautiful stone", "pa" means "forest". The park got its name from the strange rock formations at the west end of the park. Erosion has carved several large rocks into striking and unusual shapes.
Phrae is one of Thailand's seventy-six Provinces (changwat) lies in upper northern Thailand. Neighboring provinces are Phayao, Nan, Uttaradit, Sukhothai, and Lampang.
Uttaradit is one of Thailand's seventy-six provinces (changwat). It lies in upper northern Thailand. Neighboring provinces are Phitsanulok, Sukhothai, Phrae and Nan. To the east it borders Xaignabouli of Laos. Uttaradit is 488 km north of Bangkok, and 238 km southeast of Chiang Mai.
The Yom River is a river in Thailand. It is the main tributary of the Nan River. The Yom River has its source in the Phi Pan Nam Range in Pong District, Phayao Province. Leaving Phayao, it flows through the Phrae and Sukhothai provinces as the main water resource of both provinces before it joins the Nan River at Chum Saeng District, Nakhon Sawan Province.
Thung Salaeng Luang National Park is a 1,262 square kilometres (487 sq mi) national park in Phitsanulok and Phetchabun Provinces of Thailand. It encompasses substantial portions of Wang Thong and Lom Sak Districts.
Khwae Noi National Park is a national park in Chat Trakan, Nakhon Thai, Wang Thong and Wat Bot districts in Phitsanulok Province, Thailand, it was formerly known as Kaeng Chet Kwae National Park.
Kaeng Suea Ten Dam was a dam proposed for a site in the Phi Pan Nam Range, in Song District, Phrae Province, Thailand. It is near Mae Yom National Park, in a rural area of the Thai highlands.
Ramkhamhaeng National Park is a national park in Thailand.
Kaeng Tana National Park is in Khong Chiam District in Ubon Ratchathani Province, northeastern Thailand. It is on the Mun River. It was established on 13 July 1981 and is an IUCN Category II protected area.
Nam Nao National Park is a protected area in Phetchabun Province in northern Thailand. The park is a large forest filled with pineries, grasslands, and jungle. The park is home to approximately 360 species of birds and 340 species of butterflies. The average annual temperature is 25 degrees Celsius (77°F). Between December and January temperatures drop to as low as 2-5 degrees Celsius (36-41°F). Nam Nao National Park is part of a Level I "tiger conservation unit" (TCU). It encompasses 1,000 square kilometres (390 sq mi).
The Khao Kho National park is located in Lom Kao, Lom Sak, Khao Kho and Mueang Phetchabun districts in Thailand's Phetchabun province. The national park covers an area of 483 square kilometres (186 sq mi) and was established in 2012.
The Phi Pan Nam Range, also Pee Pan Nam, is a 400 km (249 mi) long system of mountain ranges in the eastern half of the Thai highlands. The range lies mostly in Thailand, although a small section in the northeast is within Sainyabuli and Bokeo provinces of Laos.
Namtok Sam Lan National Park is a national park in Saraburi Province, Thailand. Other names for the park include Khao Sam Lan National Park and Phra Puttachai National Park. Home to waterfalls, reservoirs and forests, the park is located near the cave temple Wat Phra Puttachai.
Tham Pla–Namtok Pha Suea National Park is a national park in Mae Hong Son Province, Thailand. It is home to caves, waterfalls and steep mountain terrain. It was established as a national park on 23 December 2010.
Mae Wa National Park is a national park in Thailand's Lampang and Tak provinces. This mountainous park features scenic mountain viewpoints, waterfalls and caves.
Khun Phawo National Park is a national park in the Mae Ramat District, Tak Province, Thailand.
Namtok Huai Yang National Park is a national park in Thailand, consisting of several waterfalls and forests on the mountain range bordering Thailand and Myanmar.
Ton Sak Yai National Park is a national park in Nam Pat, Tha Pla, Thong Saen Khan and Mueang Uttaradit districts in Uttaradit Province, Thailand, it was formerly known as Khlong Tron National Park.
