This is quite a large Inca administration site. I was surprised to find still a lot of original coloring.
I recommend the trip there even if it seems like there are no tours going there. I took the collectivo from Paracas to Pisco (Soles 2). At the Plaza de Armas I went to Overland Travel and he got me a driver for Soles 80. In Paracas the going rate was Soles 150.
You can also take a collectivo from the Pisco Market to Humay and walk from there 2-3 km. The collectivo might take you for some extra pay.
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