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Limestone Forest Viewpoint: A Karst Landscape Panorama

Discover breathtaking panoramic views of karst mountains and lush forests at this must-see stop on the Thakhek Loop in Laos.

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The Limestone Forest Viewpoint, also known as Phou Pha Marn, offers stunning panoramic views of the Phoun Hin Boun National Protected Area's karst mountains in Laos. A popular stop on the Thakhek Loop, it provides a serene escape into nature's beauty.

A brief summary to Limestone Forest Viewpoint

  • 8, LA

Local tips

  • Visit early in the morning or late afternoon for the best lighting for photography.
  • Bring water and snacks, as there are limited facilities on-site.
  • Wear sturdy shoes for the best footing while exploring the area.
  • Take time to sit and enjoy the scenery; it's a great spot for relaxation and mindfulness.
  • Consider combining your visit with the Green Discovery zip line and adventure course for a more immersive experience.
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Getting There

  • Driving

    If driving from Thakhek, follow Route 12 east. The Limestone Forest Viewpoint is approximately 136 km from Thakhek. After about 30 kilometers, look for signs for National Park. Follow the road for about 10 kilometers until you reach the parking area for the viewpoint. Be sure to have a map or GPS device handy to help navigate the rural roads. Parking is available near the viewpoint. There are no toll roads on the final approach.

  • Public Transport

    To reach the Limestone Forest Viewpoint via public transport, start from the Southern Bus Station in Vientiane and take a bus to Lak Sao. Ask to stop at Phou Pha Marn; the journey takes about 6 hours. From Thakhek, you can take a local bus or songthaew towards the viewpoint. Ensure the bus will stop at the Rock View area. Negotiate the fare before starting your trip. A tuk-tuk ride for a short distance can cost around 10,000-50,000 LAK ($0.5-$2). Bus fares from Vientiane to Thakhek range from $10-$15 (87,000 to 131,000 Kip).

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Discover more about Limestone Forest Viewpoint

The Limestone Forest Viewpoint, or Phou Pha Marn, is a roadside attraction that reveals the beauty of the Phoun Hin Boun National Protected Area in Khammouane Province, Laos. This viewpoint is a highlight along the famous Thakhek Loop, a 450 km route that immerses travelers in the region's stunning natural landscapes. From the viewpoint, you'll witness a dramatic landscape of karst mountains rising sharply from the dense Hin Boun Forest. These steep, rocky hills create a breathtaking panorama, especially enchanting in the early morning or late afternoon when the sunlight enhances the textures and colors of the rocks. Green Discovery, a well-known adventure company in Laos, has established a presence at the viewpoint, adding to the experience with activities like zip lines, a spider web bridge, and fixed climbing ropes. These additions offer even more immersive views of the Hin Boun Forest and surrounding areas. The viewpoint also serves as a tourist information center for Khammouane Province. Whether you're seeking a peaceful spot to relax and enjoy the scenery or an adventurous experience amidst the limestone peaks, the Limestone Forest Viewpoint provides a memorable escape into the heart of Laos' natural wonders.

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