1. Cerro Negro is a young and active volcano located in Nicaragua, near the city of Leon. It is known for its black-colored slopes due to the presence of dark volcanic rocks. One of the most interesting facts about Cerro Negro is that it is one of the most active cinder cone volcanoes in the world, with frequent small eruptions.

Visitors to Cerro Negro have the unique opportunity to hike to the top and then sandboard or sled down the steep slopes of the volcano. This thrilling activity has become popular among adventure seekers and adrenaline junkies visiting Nicaragua.

2. The working time of Cerro Negro volcano may vary, as it depends on weather conditions and volcanic activity. It is recommended to check with local tour operators or the national park authorities for the most up-to-date information. Contact information for Cerro Negro volcano may not be readily available, as it is a natural attraction located in a remote area.

3. Ticket information for visiting Cerro Negro volcano may include an entrance fee or a fee for guided tours to the summit. It is advisable to book a tour with a reputable tour operator who can provide transportation to and from the volcano, as well as any necessary equipment for sandboarding or sledding. Public transportation may not be readily available to access Cerro Negro, so arranging for transportation in advance is recommended.