What are some major landforms in Northern Ireland?

* Mourne Mountains: The Mourne Mountains are a range of granite mountains in County Down, Northern Ireland. The highest point in the range is Slieve Donard, at 850 metres (2,789 ft). The Mournes are a popular destination for hikers and climbers.

* Lough Neagh: Lough Neagh is a large freshwater lake in County Armagh, Northern Ireland. It is the largest lake in the British Isles, with a surface area of 388 square kilometres (150 sq mi). Lough Neagh is a popular destination for fishing, boating, and birdwatching.

* Giant's Causeway: The Giant's Causeway is a UNESCO World Heritage Site located on the Antrim Coast in Northern Ireland. It consists of over 40,000 hexagonal basalt columns that were formed by volcanic activity millions of years ago. The Giant's Causeway is a popular tourist attraction and is one of the most iconic landmarks in Northern Ireland.

* Sperrin Mountains: The Sperrin Mountains are a range of mountains in County Tyrone, Northern Ireland. The highest point in the range is Sawel Mountain, at 688 metres (2,257 ft). The Sperrins are a popular destination for hiking, mountain biking, and fishing.

* Glens of Antrim: The Glens of Antrim are a series of nine glens that are located on the Antrim Coast in Northern Ireland. The glens were formed by glaciers during the last ice age. The Glens of Antrim are a popular destination for hiking, cycling, and photography.