What is recorded here
Third Sister is shown as a cliff on the public map of Swansea. The saved point is the map point or the centre of its mapped shape.
Third Sister is a sea cliff composed primarily of Carboniferous limestone, formed around 340 million years ago through the accumulation of marine sediments. It is notable for its exposure of geological strata that provide insights into ancient marine environments in the Swansea area.
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Places near here
Promontory fort on "the Knave", Gower coastCastle, fort or tower · 70 yd
Short CaveCave · 101 yd
The KnaveCliff · 132 yd
Deborah's HoleCave · 187 yd
Horse Cliff Promontory FortPromontory Fort · 452 yd
Paviland Far Far WestCliff · 609 yd
Pitton Cross CampsiteChurch, cross or graveyard · 1312 yd
Thurba Head coastal promontory fortPromontory Fort; Defended Enclosure · 1387 yd
Pitton CottageHouse · 1494 yd
RhossiliFamous place · 1.4 mi
Rhossili SunflowersHeritage attraction · 1.6 mi
VennerneWreck · 1.7 mi