1. Hverir is a geothermal area located near Akureyri, a town in northern Iceland. It is known for its bubbling mud pots, fumaroles, and vibrant hot springs. The high temperature in the area creates a unique and otherworldly landscape with fascinating colors and textures.

The geothermal activity in Hverir is due to the nearby volcanic system of the Krafla volcano. The boiling mud pots and steaming fumaroles create a surreal atmosphere, making it a popular tourist attraction.

Visitors to Hverir can explore the area on a boardwalk that allows them to get up close to the geothermal features. The strong sulfur smell adds to the unique experience. The landscape is often described as resembling the surface of Mars or a lunar landscape.

2. Hverir is an outdoor attraction and is accessible 24/7, allowing visitors to explore the area at their own pace. There is no entrance fee or specific working hours.

Unfortunately, there is no phone available specifically for Hverir. However, visitors can contact the Akureyri tourist information center for more information about the area. The tourist information center can be reached at +354-450-1050.

3. As mentioned earlier, there is no ticket required to visit Hverir. It is a natural geothermal area that is freely accessible to the public. As for transportation, Hverir is located approximately 48 kilometers (30 miles) east of Akureyri. Visitors can reach Hverir by car or by joining a guided tour from Akureyri. The road leading to Hverir is accessible year-round, although weather conditions should be considered during winter months.