The Banaue Rice Terraces (Tagalog: Hagdan-hagdang Palayan ng Banaue) are 2000-year old terraces that were carved into the mountains of Ifugao in the Philippines by ancestors of the Batad indigenous people. The Rice Terraces are commonly referred to by Filipinos as the "Eighth Wonder of the World". It is commonly thought that the terraces were built with minimal equipment, largely by hand. The terraces are located approximately 1500 meters (5000 ft) above sea level and cover 10,360 square kilometers (about 4000 square miles) of mountainside. They are fed by an ancient irrigation system from the rainforests above the terraces. It is said that if the steps are put end to end it would encircle half the globe.

The rice terraces once stretched northeast to Cagayan and as far south as Quezon. However they are now slowly being abandoned and showing signs of deterioration. A severe 1990 earthquake damaged some of the terraces' irrigation systems, while El Niño triggered droughts that led giant earthworms to erode the terraces' soil. Furthermore, the rice variety most suited to the area's cool climate is not a high-yielding crop; because it takes so long to mature, some Ifugao families have abandoned their land in the rice terraces in favor of land that reaps faster rewardsThe Banaue terraces are part of the Rice Terraces of the Philippine Cordilleras, ancient sprawling man-made structures from 2,000 to 6,000 years old. They are found in the provinces of Apayao, Benguet, Mountain Province and Ifugao, and are a UNESCO World Heritage Site.

Locals to this day still tend to the rice and vegetables on the terraces, although more and more younger Ifugaos do not find farming appealing, often opting for the more lucrative hospitality industry generated by the Rice Terraces. The result is the gradual erosion of the characteristic "steps", which need constant reconstruction and care.