Lalu

Lalu is a natural earth sculpture site in Thap Sadet Subdistrict, Ta Phraya District, Sa Kaeo Province, near the Thailand-Cambodia border. It features extensive eroded laterite formations with pillars, walls, canyons and spires created by natural subsidence and wind and water erosion. Covering about 3,200 acres, the reddish-gold landscape is often compared to the Grand Canyon and is a notable geological attraction in eastern Thailand.

Visitors can expect an open, arid landscape of reddish laterite earth pillars, cliffs, narrow canyons and spires ranging from 1 to 3 meters high, with some walls higher. The terrain is uneven and dusty with marked walking paths through the formations. There are viewpoints for photography, areas where local e-tan tractor carts transport visitors, and small shelters and stalls near the entrance. The site is exposed with little shade.

Lalu is a geological formation created over thousands of years by subsidence of hard laterite soil and subsequent erosion by wind and rain. The area was previously used for agriculture before the dramatic eroded landscape was exposed and later developed as a tourist attraction.

The name 'Lalu' comes from Khmer meaning 'pierced through', referring to the eroded, hole-filled terrain. The site is a well-known local landmark in Sa Kaeo and is promoted as a natural wonder of eastern Thailand.