Along which river is the city in which The El Pinar Zoo is located ?
El Pinar Zoo: The El Pinar Zoo (Spanish: "Parque Zoológico El Pinar" ) Also Zoological Park of El Pinar Is the first zoological garden of Caracas, Venezuela inaugurated the 13 of August of 1945 under the presidency of Isaías Medina Angarita. Caracas:  Caracas is located along the Guaire River in the northern part of the country, following the contours of the narrow Caracas Valley on the Venezuelan coastal mountain range (Cordillera de la Costa).
the Guaire River