Manzanares (river) protected as the "Parque Regional de la Cuenca Alta del Manzanares", a nature reserve which is recognised as a biosphere reserve by UNESCO. The Manzanares flows in a south-eastern direction from its source, and passes through the medieval town of Manzanares el Real where it is dammed to form the Santillana reservoir, one of the most important water supplies for the capital. The river then takes a southern direction and enters the Monte del Pardo, an ecologically valuable area on the edge of Madrid. The river is canalised where it passes through the built-up areas of the city. As at
A River Runs Through Bob find Bob and Linda missing and borrow some inner tubes and a "Survivalist Guide" from their neighbors to go search for their parents. Tina attempts to follow the Thunder Girls guidebook, but Louise and Gene find the Survivalist Guide much more compelling. At nightfall, Bob and Linda continue to follow the river back to the campsite, while Tina, Gene, and Louise come upon a Thunder Girl troupe campfire. However, Tina defiantly renounces her Thunder Girl membership, quoting from the Survivalist Guide about how such organizations are "cookie selling machines." Bob and Linda make it back to the campsite, with Bob