Festivities of Formiche Alto Activity · Formiche Alto, Gúdar-Javalambre, Teruel Formiche Alto celebrates throughout the year the festivities of San Pedro, on the last weekend of April; those of San Roque, around 15 August; and those of San Miguel, on the last Saturday of September. Photo: Todoporformiche (CC BY-SA 4.0) What to see and do in Formiche Alto