Andahuaylas is in the department of Apurimac. The population is roughly estimated at 30,000. The altitude is about 2,926 m above sea level. The surrounding mountains provide beautiful scenery.
There are daily buses from and to Ayacucho, Lima and Cusco. The journey takes at least 6 hours on a new paved road. The views are impressive, you have enough time to look. The airport of Andahuaylas recive 2 flys per day, with Star Perú and LCPerú.
Andahualas is a very long town, spread out along the river. If you're coming from Ayacucho, don't be concerned if it drops people off in what looks like the center of town, and the bus continues beyond. You'll soon reach the bus terminal, which is actually close to the real center of town.
No big problem. Distances are small, just walk. If you need a taxi, don't pay more than 3 Soles ($1 US) in the city. Mototaxis (tuk-tuks) are even cheaper.
The Laguna de Pacucha, at 3,300m is easy to reach during the day. Take a colectivo (3 Soles) or a taxi. Both leave from the same place at the top of the market (ferria). The colectivos run via the village of Pucucha until the end of the laguna (40 minutes). From here, it's a 30 min walk to the ruins of Sondor from the Chanca era. Lovely landscape and great views of the mountains. If you have enough time, walk back to Pucucha on the other side of the laguna (2.30h). It's a beautiful stroll (all flat) and the villagers are quite friendly.The village gives a good impression of campesinos 's life. But be sure to reach Pucucha before dark, otherwise it's going to be difficult to find a colectivo or taxi back to Andahuaylas.
Luxury combis (minivans) leave for Abancay approximately six times a day for 15 Soles. There are several companies operating this trip, all based out of the bus terminal. Don't believe them that it only takes 3 1/2 hours - inevitably there are delays, making the trip 5 hours. Beautiful scenery through a series of hairpin turns and switchbacks.