The source of the natural heritage is one of the elements of Cuscó, and also detailed, most loved by the inhabitants of Sant Cugat Sesgarrigues. In fact this is where there is documented the first human settlements in the municipality. Es tracta d’una font amb forma de cova que s’obre directament a la pedra en una cinglera natural. La font del Cuscó is in exceptional vantage point a large part of the plain of the Penedès and even now a meeting place for Christmas, to build the crib, and the 11 September, When you do a popular Trek up to the source.