The document summarizes several natural features near Belfast, Northern Ireland. It discusses Lagan Valley Regional Park, noting that it contains trees like the oak and ash, as well as Belvoir Forest which was once privately owned and contains the remains of an old glasshouse. It also mentions the River Lagan which flows through Belfast and was once used for transportation. Cave Hill Country Park is located north of Belfast and inspired a famous novel, overlooking an important Belfast monument. Further afield, Lough Neagh is an important lake in the UK due to its size, and mythology says it was formed when a giant dropped his hat. The Giant's Causeway on the coast consists of hexagonal basalt columns formed by