Valderredible

The Astronomical Observatory of Cantabria (OAC) is a center of the Ministry of the Environment of the Government of Cantabria, Spain, located in the municipality of Valderredible. The OAC is managed by the Environment Research Center (CIMA). Other entities that participate are the University of Cantabria, the Institute of Physics of Cantabria and the Astronomical Association of Cantabria.The observatory consists of a main telescope with a diameter of 40 cm, and several smaller telescopes that are dedicated to the popularization of astronomy.

Sargentes de la Lora is a municipality located in the province of Burgos, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 196 inhabitants. In 1963, a petroleum reservoir was discovered in Ayoluengo de la Lora, a town of the municipality. Since 1964, 17 million oil barrels had been extracted. The reservoir had been exploited by Chevron Corporation (until 1990), Repsol (until 2002) and Northern Petroleum.

Berzosilla is a municipality located in the province of Palencia, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 63 inhabitants.

Basconcillos del Tozo is a municipality and town located in the province of Burgos, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 371 inhabitants. The municipality of Basconcillos del Tozo is made up of twelve towns: Basconcillos del Tozo (seat or capital), Arcellares, Barrio Panizares, Fuente úrbel, Hoyos del Tozo, La Piedra, La Rad, Prádanos del Tozo, San Mamés de Abar, Santa Cruz del Tozo, Talamillo del Tozo and Trasahedo.

Páramos, also known as "Sedano y Las Loras", is a comarca located northwest of the province of Burgos in the autonomous community of Castile and León. It is bounded on the north-east by the Merindades, north-west by Cantabria, west by the Province of Palencia, and in the south by the Alfoz de Burgos and Odra-Pisuerga comarcas.

The Rudrón Valley (Spanish: Valle del Rudrón) is a valley of the province of Burgos, in the autonomous community of Castilla y León, Spain, that borders the autonomous community of Cantabria. From a structural standpoint, the relief is organized around a large morphostructural unit: an extensive moorland. The River Rudrón divides and separates both sides of moorland. The River Rudrón divides and separates both sides of moorland creating Rudrón Valley, leaving on the left the moor of La Lora and right the moor of Masa.* Wikimapia- Valle del Rudrón

Tubilla del Agua is a village and municipality located in the province of Burgos, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 209 inhabitants. The climate is relatively cool in the summer and cold in the winter. Tubilla del Agua is located in the Rudrón Valley. Valley formed by the River Rudrón that also separates on the left the moor of La Lora and right the moor of Masa Also passes through the village the River Ornillo, generating many waterfalls.

Valle de Valdelucio is a municipality located in the province of Burgos, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 350 inhabitants.

Humada is a municipality located in the province of Burgos, Castile and León, Spain. According to the 2004 census (INE), it has a population of 177 inhabitants. Of those inhabitants, a small minority are of French descent.

The Odra is a river in Spain. Its springs are located to the north of Amaya mountain in the province of Burgos, from where it flows southward until reaching the Pisuerga River. The main tributary is the Brullés River.

Úrbel del Castillo is a municipality located in the province of Burgos, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 100 inhabitants.

Valle de Sedano is a municipality located in the province of Burgos, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 541 inhabitants.