La historia de Hontoria se pierde en la noche de los tiempos. Las grutas llamadas “Cueva Blanca” (fragmentos de vasijas neolíticas), “Matalacueva”(Edad del Bronce ) y “Cueva de los Morciguillos”(restos del Paleolítico), estuvieron habitadas por pobladores prehistóricos, así como diversos abrigos y grutas del Cañón del Río Lobos.
La conocida como fuente romana ha servido para abastecer a los habitantes asi como al ganado que pastaba cerca y siendo lugar de reunion para los vecinos. Si bien por su estilo de construccion de gsaleria abovedada cubierta podria datarse de epoca romana, la estructura actual la situa en una cronoilogia mas tardia de epoca medieval-moderna.
Hontoria history is lost in the mists of time. The caves called "White Cave" (fragments of Neolithic pottery), "Matalacueva" (Age of Bronze) and "Cave Morciguillos" (remains of Paleolithic), were inhabited by prehistoric inhabitants, as well as several shelters and caves of the Canyon Wolf River.
The so-called Roman fountain has served to supply the inhabitants as well as cattle grazing nearby and still meeting place for neighbors. While his style of construction could gsaleria domed cover dated from Roman times, with the current structure located in a more cronoilogia Late medieval-modern era.