Phu Hin Rong Kla National Park, Loei: what to see and when to go

Phu Hin Rong Kla National Park covers forested mountains in Phitsanulok and Loei provinces, Thailand. Visitors find rock formations, streams, and several waterfalls, along with orchids, ferns, and seasonal wildflowers. The park is known for its cool climate, varied forests, and history as a former conflict zone.

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Covers 307 square kilometres in northern Thailand
Features unique rock fields and year-round waterfalls
Home to orchids, ferns, and seasonal wildflowers
Cool temperatures rarely exceed 25°C, sometimes drop below freezing
Site of historical conflict, now with a museum

What is Phu Hin Rong Kla National Park?

Phu Hin Rong Kla National Park is a large protected area in northern Thailand, stretching across rugged, forested mountains. The landscape includes dramatic rock outcrops, such as Lan Hin Taek with its cracked stone surface, and Lan Hin Pum, known for its rounded rock knobs. The park features several waterfalls, streams, and a mix of forest types. Orchids, ferns, mosses, and wildflowers grow among the rocks, and the area is home to many bird species. The climate remains cool throughout the year, making it a comfortable place to explore.

The history of Phu Hin Rong Kla National Park

The park lies within the Phetchabun Mountains, spanning parts of Phitsanulok and Loei provinces. Its forests are part of a larger montane rain forest region. In the late 1960s and early 1970s, the area was a stronghold during the conflict between communist insurgents and the Thai government. After the fighting ended, the land was surveyed and proposed as a national park. It was officially declared Thailand's 48th national park in 1984.

What there is to see

Visitors can explore the park's natural features by following trails to rock fields, cliffs, and waterfalls. Lan Hin Taek and Lan Hin Pum are popular for their unusual stone formations. Waterfalls such as Namtok Man Daeng and Namtok Romklao-Pharadon flow year-round. The park is managed by Thailand's Department of National Parks, Wildlife and Plant Conservation, and offers opportunities for hiking, birdwatching, and learning about the area's natural and historical significance.

Common Iora Aegithina tiphia horizoptera (adult), Singapore. Photo: Flickr user NatureAtYourBackyard . Photo uploaded to commons by user l, CC BY 2.0, via Wikimedia Commons

Red-headed Trogon (Harpactes erythrocephalus), Khao Yai National Park, Pak Chong, Thailand. Photo: JJ Harrison ( jjharrison89@facebook.com ), CC BY-SA 3.0, via Wikimedia Commons

When to go

The park is open to visitors throughout the year, with its cool climate making it a popular escape from the heat. People come to see the rock formations, waterfalls, and seasonal wildflowers, as well as to observe birds and other wildlife. The Thailand-Communism museum inside the park tells the story of its role in the country's past conflicts. The area is also valued for its diverse plant life, including orchids and ferns.

Parts and collections

Within the park, different areas offer unique sights. Lan Hin Taek is known for its cracked stone surface, while Lan Hin Pum features round rock knobs. Phu Man Khao is the highest peak, and Phu Lomlo is also prominent. Several waterfalls, such as Namtok Man Daeng with its many tiers, provide scenic spots for visitors. Each site highlights a different aspect of the park's landscape.

Why Phu Hin Rong Kla National Park matters

Phu Hin Rong Kla is remembered for its historical role during the communist insurgency in Thailand. The park preserves remnants from that period, including a museum and sites related to the conflict. Its natural beauty and cool weather attract visitors interested in both history and nature. The park also plays a role in conserving the region's forests and wildlife.

Questions people ask about Phu Hin Rong Kla National Park

Where is Phu Hin Rong Kla National Park located?

The park is in northern Thailand, spanning parts of Phitsanulok and Loei provinces in the Phetchabun Mountains.

What can visitors see and do in the park?

Visitors can explore rock formations, hike to waterfalls, see orchids and wildflowers, and learn about the park's history at the museum.

What is the climate like in Phu Hin Rong Kla National Park?

The park stays cool all year, with temperatures usually below 25°C and sometimes dropping below freezing.

Why is the park historically significant?

It was a base during the conflict between communist insurgents and the Thai government in the late 20th century, and now preserves sites from that era.

What types of natural features are found in the park?

The park has mixed forests, dramatic rock fields, several waterfalls, and is home to many bird and plant species.

Good reading and sources

Where this page comes from

The facts on this page come from the Wikipedia article "Phu Hin Rong Kla National Park", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). Phool rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.

It may contain mistakes. Opening times, prices and bloom dates change: check with the place before you travel. If something is wrong, tell us. Last refreshed 2026-10-03.

Photo credits on this page

The small pictures above come from Wikimedia Commons under free licences. Some are cropped to fit.

Deosai National Park: Qammer Wazir, CC BY-SA 4.0, source

Hallim Park: Grapesurgeon, CC BY-SA 4.0, source

West Lake: Louisa Salazar, CC BY-SA 3.0, source

Ili Kazakh Autonomous Prefecture: lwtt93, CC BY 2.0, source

Jasmine: HelenOnline, CC BY-SA 3.0, source

Nong Nooch Tropical Botanical Garden: Unknown author, Public domain, source

Queen Sirikit Botanic Garden: User:Amada44, CC BY-SA 4.0, source

Doi Inthanon National Park: Vyacheslav Argenberg, CC BY 4.0, source

Phu Hin Rong Kla National Park