Aerial view of Treffgarne rocks Haverfordwest Pembrokeshire Wales UK


Treffgarne Rocks is a fascinating geological site located in Pembrokeshire, Wales. Here is some information about Treffgarne Rocks: Treffgarne Rocks is a group of large, rocky outcrops that are made up of two types of rock: igneous and sedimentary. The igneous rocks are mostly dolerite, which is a dark, fine-grained rock that is rich in minerals like feldspar and pyroxene. The sedimentary rocks are mostly sandstone and shale, which were formed from the remains of ancient sea creatures. The rocks at Treffgarne are thought to be around 400 million years old, and they were formed during the Silurian period, when Wales was part of a shallow sea that covered much of what is now the UK. The rocks at Treffgarne are of interest to geologists because they show evidence of several different geological processes, including volcanic activity, sedimentation, and deformation. The dolerite intrusions are thought to be part of a larger volcanic system that was active during the Silurian period. The area around Treffgarne Rocks is also of interest to archaeologists, as it contains several prehistoric sites, including burial mounds and standing stones. One of the most notable sites is the Trefgarne-Owen standing stone, which stands over 3 meters tall and is thought to date back to the Bronze Age. Treffgarne Rocks is a popular spot for hiking and rock climbing, and there are several trails that lead through the area. The rocks themselves are quite impressive, with some of them towering over 20 meters tall. Visitors are advised to wear sturdy shoes and be careful when exploring the rocky terrain. The site is easily accessible by car, and there is a small car park nearby. The rocks are located about 8 kilometers (5 miles) northeast of Haverfordwest, and can be reached via the B4329 road.


Size: 5184px × 2916px
Location: Treffgarne near Haverfordwest Pembrokeshire Wales UK
Photo credit: © DV Aerial / Alamy / Afripics
License: Licensed
Model Released: No

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