Estrecho de San Blas Nature · Tragacete, Serranía Alta, Cuenca Image of Tragacete, not of the place itself. Narrow pass of the upper Júcar downstream from the source, hemmed in between great rock walls. Beside it stands the San Blas hostel, built in 1950. Photo: Clanzas (CC BY-SA 4.0) What to see and do in Tragacete