http://www.mincetur.gob.pe/TURISMO/OTROS/inventario%20turistico/Ficha.asp?cod_Ficha=4395 mincetur.gob.pe] "Restos arqueológicos de Tambomachay", retrieved on February 14, 2014 Tampu Mach'ay is situated near the main square of Acostambo at a height of about 3400 meters .