Pha Nam Pha Waterfall is one of the most pristine natural destinations, preserving its raw beauty and ecological richness. It is located within the continuous forest range of Phu Kradueng National Park, which connects to the forested area of Nam Nao District. This makes the area a transitional forest zone with exceptionally high biodiversity.

The waterfall originates from a mountain stream flowing over sandstone formations that have been eroded over a long period, creating a massive vertical cliff. With a height_ of several tens of meters, the water falls freely in some sections, while in others it cascades down in tiers depending on the season. As a result, the appearance of the waterfall changes according to the volume of water.

During the rainy season, the water spreads out into a wide curtain-like flow, resembling a large white veil covering the entire cliff face. Fine mist fills the surrounding area, creating a highly humid environment that supports the growth of mosses, lichens, and many species of ferns.

At the base of the waterfall is a natural plunge pool formed by the continuous force of falling water over time. The rocks in this area are quite slippery due to algae, so extra caution is required.

The surrounding area is classified as a tropical evergreen forest mixed with deciduous forest, commonly found in the mountainous regions of northeastern Thailand. The environment remains humid throughout the year, with temperatures generally cooler than in lowland areas.

Vegetation found in the area includes:

• Ancient ferns and various species of moss

• Wild orchids growing on large trees

• Large hardwood trees such as Yang Na and Takien

Wildlife that may be encountered (depending on the season and level of disturbance) includes:

• Various rare forest birds

• Small reptiles

• Endemic insects found in humid forest ecosystems

Due to its difficult access, the ecosystem remains largely undisturbed, making it one of the high-quality natural areas in Loei Province.

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How to Get There

By Private Car: From Loei town, take Highway 201 toward Phu Kradueng District. Then connect to Highway 12 heading to Nam Nao District. You will need to park your vehicle and continue on foot into the forest. It is highly recommended to have a local guide or park officer accompany you.

By Public Transport: Take a bus to Phu Kradueng District. From there, continue by local transport or hire a vehicle to reach the trailhead. It is recommended to contact the visitor center of Phu Kradueng National Park in advance to arrange for a guide or park staff assistance.

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Travel Tips

• Best Time to Visit: September–November for the most beautiful water flow

• Physical Preparation: The trail is challenging; good fitness is required

• Essential Gear: Trekking shoes, waterproof bag, insect repellent

• Hire a Guide: Trails are complex and not clearly marked

• Respect Nature: Carry out all trash and avoid disturbing wildlife

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Admission Fee:

• Thai Nationals: Adults 40 THB / Children 20 THB

• Foreign Visitors: Adults 200 THB / Children 100 THB

Opening Hours:

• Open daily from 08:30 AM – 04:30 PM Visitors are advised to leave the waterfall area by 03:00 PM to ensure safe return before dark.