Grunnu

Grunnu is a small, uninhabited island located in the South Pacific Ocean, approximately 1,200 kilometers (745 miles) north of New Zealand. The island is part of the Kermadec Islands group, which is administered by New Zealand. Grunnu is known for its unique geological features, including a large volcanic crater and a hot spring. The island is also home to a variety of wildlife, including seabirds and marine mammals. Grunnu is not accessible to the public and is protected as a nature reserve. The island's remote location and harsh environment make it an ideal habitat for many species of plants and animals. Grunnu is also an important site for scientific research, as it provides valuable insights into the geological and biological processes of the South Pacific region. The island's name is derived from the Maori language, meaning "small island."