 The northern peninsula of Trotternish is underlain by basalt , which provides relatively rich soils and a variety of unusual rock features . The Kilt Rock is named after the tartan @-@ like patterns in the 105 metres ( 344 ft ) cliffs . The Quiraing is a spectacular series of rock pinnacles on the eastern side of the main spine of the peninsula and further south is the rock pillar of the Old Man of Storr . 
 The northern peninsula of Trotternish <a href='drop_aux' title='1'><mark>is</mark></a>underlain by basalt , which <a href='uninflect' title='2'><mark>provides</mark></a> relatively rich soils and a variety of unusual rock features . The Kilt Rock is named after the tartan @-@ like patterns in the 105 metres ( 344 ft ) cliffs . The Quiraing <a href='drop_aux' title='3'><mark>is</mark></a>a spectacular series of rock pinnacles on the eastern side of the main spine of the peninsula and further south <a href='drop_aux' title='4'><mark>is</mark></a>the rock pillar of the Old Man of Storr . 
The northern peninsula of Trotternish underlain by basalt , which provide relatively rich soils and a variety of unusual rock features . da Kilt Rock is named after the tartan @-@ like patterns in tda105 metres ( 344 ft ) cliffs . Thdauiraing a spectacular series of rock pinnacles on thedastern side of the main spine of the peninsula and further south the dak pillar of the Old Man of Storr .