Rota Latte Stone Quarry is known as the As Nieves quarry and is located near the Chamorro village of Sinapalo, on the island of Rota, United States Commonwealth of the Northern Mariana Islands, in the Marianas Archipelago. As Nieves was the origin the stone quarries in the Marianas. The prehistoric megaliths are believed to have been used as foundation pillars for houses, but their exact age and origins have not been determined. Some pillars weighed up to 35 tons with the methods of quarry and transportation not known.