To the north of Lima, the desert stretches up between the Pacific Ocean and the foothills of the Andes. A couple of short trips north of Lima are becoming increasingly popular as long-weekend breaks. One of these is a horseshoe loop connecting the Chillón and Chancay valleys via the beautiful town and region of Canta in the foothills of the Andes. Another route, further out from Lima, heads up the Huara Valley from Huacho; although the road can be traced all the way to Huánuco, most people only get as far up into the Andes as Churin where their efforts are pleasantly rewarded with a visit to the hot springs. Futher north again, yet still feasible as a day-trip from Lima, the recently discovered pyramids of Caral are considered to be the most ancient ruins in the Americas.