Eravikulam National Park is situated in the Devikulam Taluk of Idukki district in Kerala. Eravikulam National Park was established in 1975 to protect the Nilgiri Tahr. Eravikulam was declared as a National Park in 1978 considering its ecological, faunal, floral, geomorphologic and zoological significance. The park is breathtakingly beautiful as comparable to the Alpine ranges. Anaimudi peak, the highest mountain peak in South India is situated in the southern region of the park. 

This park covers an area of 97 square km. This park is one of the wettest regions in the world. The park is divided into three regions - the core area, the buffer area and the tourism area. Visitors are allowed to visit only the tourism area which is in the Rajmalai region. The vegetation comprises of rolling grasslands, exotic flora and the shoal forests. The Neelakurinji is the exotic flora found in the forests and grasslands here. This flower which bathes the hills in blue every twelve years, will bloom next in 2006 AD.