1. Purmamarca is a picturesque village located in the Jujuy province of Argentina, in the colorful Quebrada de Humahuaca valley. The village is known for its stunning backdrop of the \"Cerro de los Siete Colores\" (Hill of Seven Colors), a natural wonder where the mountainside displays a range of vibrant colors due to its mineral composition. Purmamarca is a popular destination for travelers seeking to explore the Andean culture, handicrafts, and stunning landscapes of northern Argentina.

2. The village of Purmamarca does not have specific working hours, as it is a small rural town. However, the shops and markets in the area typically operate during daylight hours. For specific information or inquiries, it is recommended to contact the tourism office of Jujuy province.

3. There is no entrance fee to visit Purmamarca as it is a public village. The most common way to reach Purmamarca is by bus or car from the city of Salta or San Salvador de Jujuy. The journey takes approximately 2-3 hours by car, depending on the route taken. There are also tour companies that offer day trips to Purmamarca from Salta, which include transportation and guided tours of the area.