1. Fimmvörðuháls Volcano is located in south Iceland and has two main craters: Magni and Móði. It last erupted in 2010 and the eruption lasted for several months, covering much of the surrounding area in a layer of ash. The volcano is surrounded by beautiful hiking trails that offer amazing views of the surrounding landscapes and glaciers. It is also popular for skiing and snowboarding during the winter months. The area around the volcano is rich in geothermal activity and offers visitors the chance to see hot springs, geysers, and bubbling mud pools.

2. The volcano is open to visitors all year round, however, it is recommended to visit during the summer months as the winter weather can be harsh. There is no entrance fee for the volcano and visitors are allowed to explore the surrounding area on foot. The nearest town is Hvolsvöllur, which is approximately 50 km away from Reykjavik.

3. Transportation to the Fimmvörðuháls Volcano is available by car or guided tour. Visitors can rent a car in Reykjavik and drive to the nearest town, Hvolsvöllur, which takes around 1.5-2 hours. Guided tours are also available from Reykjavik and usually include transportation, a guide, and other activities like hiking or exploring nearby glaciers. Prices for guided tours vary depending on the company and activities included.