Bueng Bua Sam Roi Yot: Lotus Boardwalk from Hua Hin

Bueng Bua Sam Roi Yot is a freshwater marsh inside Khao Sam Roi Yot National Park, about 55 km south of Hua Hin, crossed by a long wooden boardwalk through lotus and reeds. It is open daily 8:30 AM–4:30 PM. The walk is flat and quiet, which makes it an easy stop with a private driver between the park’s caves and viewpoints.

Bueng Bua: the lotus marsh of Sam Roi Yot

Khao Sam Roi Yot protects a large freshwater wetland that matters greatly to resident and migratory birds. The wider marsh, Thung Sam Roi Yot, is listed as a Ramsar wetland of international importance. Bueng Bua, which means lotus pond, is its most approachable corner: a quiet observation area run by the national park.

The scenery here is unusual. Limestone peaks rise straight out of the reeds, so open water, lily pads and tall grasses sit against steep grey cliffs. After the climbs elsewhere in the park it is a welcome change of pace, and families who want a gentle walk get a close look at the wetland that gives Sam Roi Yot its ecological value.

What to see and do

The main attraction is the wooden boardwalk, which winds out over the marsh to a sala, a covered pavilion in the middle of the water. Lotus and water lilies line the route and the reeds are busy with birds. The round trip to the pavilion is short enough for most visitors, with benches along the way for a rest.

Birdwatchers look for herons, egrets, purple swamphens and kingfishers, plus migratory waterbirds in the cool season. Bring binoculars if you have them; a zoom lens helps too. Dragonflies, fish and the odd monitor lizard complete the picture. Scan the edges of the reeds closely, as many smaller birds feed there in the shade.

• Boardwalk across the marsh
• Lotus and water lilies
• Central pavilion with mountain views
• Herons, egrets and swamphens

Best time to visit and how long to stay

Early morning and late afternoon bring the most birds and the softest light on the cliffs, and the lotus flowers look freshest in the morning, with the gentlest light before 9:30 AM. At midday the open boardwalk gets hot, though the pavilion offers shade. Sit there quietly for a few minutes and birds often come closer.

Allow 45 minutes to an hour. The cool season, November to February, brings migratory birds, while the end of the rainy season usually means the fullest water and greenest reeds; levels vary through the year. In the hot months, March to May, come early or late, as the boardwalk has little shade apart from the pavilion.

Practical tips

The boardwalk is flat, so Bueng Bua is one of the easier nature stops in the area, though a few planks are uneven and can be slippery after rain. Wear a hat and sunscreen and bring insect repellent, especially towards dusk. Wheelchair users may manage parts of the route with help. Keep an eye on children near the railings.

Facilities are basic, so carry water and some cash, and use the toilets at an earlier stop if you can. Walk quietly to see more birds, stay on the boardwalk and keep music and voices low near nesting areas. Your driver waits at the car park beside the entrance.

Combine it with nearby places

Bueng Bua works well after the climb to Phraya Nakhon Cave: a level walk while your legs recover, and a calm option for anyone in the group who would rather not climb. If you still want a panorama, Khao Daeng Viewpoint is a short drive away, but go before 3:30 PM. Plan about an hour at the marsh.

From here it is straightforward to continue to Kui Buri National Park for afternoon elephant watching, rounding off a day of caves, wetland and wildlife. The inland drive past pineapple farms takes about an hour, so you reach the park in good time for the afternoon viewing window. Your driver handles the route; bring snacks for the road.