北里约格朗德（葡萄牙语：Rio Grande do Norte），又译北大河州，是巴西的一个州，是北大州的其中一个州，位于巴西东北部的海岸，共拥有167个城市，占积52.796,791 km²，人口三百多万人，其中73%聚集在市区，州府纳塔尔，意为圣诞节有一百三十万居民。 北大河州也是巴西最大的海食盐及陆地产油州，盛产甘蔗、酒精、柑橘，有美丽的海滨小镇baia *******。

Rio Grande do Norte (lit. "Great Northern River", in reference to the mouth of the Potenji River, Portuguese pronunciation: [ɦi.u ˈɡɾɐ̃di du ˈnɔhti]) is one of the states of Brazil, located in the northeastern region of the country, occupying the northeasternmost tip of the South American continent. Because of its geographic position, Rio Grande do Norte has a strategic importance. The capital and largest city is Natal. It is the land of the folklorist Luís da Câmara Cascudo and, according to NASA, it has the purest air in the Americas. Its 410 km (254 mi) of sand, much sun, coconut palms and lagoons are responsible for the fame of beaches. Rocas Atoll, the only such feature in the Atlantic Ocean, is part of the state. The main economic activity is tourism, followed by the extraction of petroleum (the second largest producer in the country), agriculture, fruit growing and extraction of minerals, including considerable production of seasalt, among other economic activities. The state is famous for having many popular attractions such as the Maior cajueiro do mundo (world's largest cashew tree), the dunes and the dromedaries of Genipabu, the famous beaches of Ponta Negra, Maracajaú and Pipa's paradise, the Carnatal the largest off-season carnival in Brazil, the Forte dos Reis Magos is a sixteenth-century fortress, the hills and mountains of Martins, the Dunas Park the second largest urban park in the country, and several other attractions. The state is also closest to the archipelago of Fernando de Noronha.