Here are a couple of suggestions we copied out of the NY Times....we would strongly consider a few days at either or both:

Jujuy is its dramatic landscape: more than 20,000 square miles of salt deserts, untamed jungles and an endless maze of multicolored rocky mountains rising up to 16,000 feet, threaded by a scenic ravine called Quebrada de Humahuaca — a onetime Inca trade route leading north to Bolivia, now a Unesco World Heritage site.


Hotel Huacalera (Route 9, Huacalera; 54-388-155813417; This spacious colonial-style ranch in the heart of the Quebrada de Humahuaca has folkloric-chic rooms, a pool and spa. Doubles from 397 Argentine pesos, or $103 at 3.86 pesos to the dollar, including buffet breakfast.
Casa Colorada (Route 9, Tilcara; 54-11-43247604; A secluded high-altitude retreat surrounded by mountain peaks, sandstone quarries and a reserve of giant cactuses. Guests can book horseback rides and treks. Doubles from 866 Argentine pesos, including breakfast and dinner.
Marques de Tojo (4 Santa Rosa, Purmamarca; 54-388-4116001; Just steps from Purmamarca’s central plaza, this new boutique property has 10 rooms decorated with Spanish-colonial furniture.