Skaw Beach

The island of Unst is home to many things that are ‘Britain’s most northerly’: post office, school, swimming pool, and bus shelter. It also has Britain’s most northerly sandy beach. It’s at Skaw, a hamlet consisting of – you will not be surprised to learn – Britain’s most northerly house. Access is by a winding road that climbs over the shoulder of the hill from Norwick, giving tremendous views of the cliffs of north Unst.

The beach is of fine, white sand and is backed by a meadow hosting a profusion of wild flowers in spring and summer. It faces due east and is well sheltered from the prevailing winds. If you yearn for even greater seclusion, there’s a smaller, even more remote sandy beach at Inner Skaw, a walk of less than a kilometre to the south. There are excellent walks to be had on the low cliffs and headlands in this area.

Not far away, there are military remains: the Cold War radar dome on Saxa Vord is most obvious but, much closer at hand, there’s also a pioneering Second World war radar station, underlining the strategic importance of Unst at those periods of our history.

Geopark – Skaw Beach

Huge pink crystals of potassium feldspar occur in the spectacular granite which is found in contact with metamorphic rocks at Skaw Beach.

The Skaw Granite is an intrusion – magma that forced its way into existing rocks and cooled. It is one of the oldest Shetland examples and was intruded into Dalradian rocks 430 million years ago. It is exposed today due to uplift and erosion of overlying rocks. It has a porphyritic texture which means that one group of crystals is obviously larger than the others. In this case large pink crystals of potassium-feldspar called phenocrysts stand out in a matrix of smaller crystals. This texture occurs when slow cooling is followed by rapid cooling. Large chunks of Dalradian rocks such as quartzite and schist got caught up in the granite. These are called xenoliths and vary in size from a metre to a kilometre. A large xenolith is exposed here at the Wick of Skaw. The granite is surrounded by a thermal aureole – a ring of rocks that were altered by its heat. After cooling the granite was thrust into its present position as oceanic crust was forced on top of the Dalradian rocks during the closure of the Iapetus Ocean 420 million years ago. Thrusting deformed the granite, recrystallizing minerals in the matrix to form fine banding around the phenocrysts.

Directions

Take the A970/A968 to Toft and cross on the ferry to Ulsta
Continue on the A968 to Gutcher and cross on the ferry to Belmont
Continue on the A968 until you reach a T-junction and turn right (signposted Haroldswick)
Continue until you are driving on single track road and before taking the right turn signposted Unst Heritage Centre
Continue until the turning for Holsens Road where you turn left and follow the road to the end
The site is located in the cliffs at the far end of the beach.