The beach lies at the mouth of the Afon Colhuw, to the South West of Llantwit Major, rocky in places there is a shingle bank with sandy areas at low tide. The bay is backed by steep sandstone cliffs facing south westerly towards the Bristol Channel. Colhuw beach lies in the middle of the Glamorgan Heritage Coast, with the Wales Coastal Path extending along the top of the beach. The valley either side of the lower reaches of the river is designated as a Site of Interest for Nature Conservation and the Cwm Colhuw Nature Reserve extends along the southern slope of the Afon Colhuw. Natural Resources Wales’s designated sample point is located at the centre of the beach.
Water quality is classified as "Excellent" based on samples taken from the previous 4 years, 2021 through to 2024.
For tide times and marine weather for this beach, check out the UK & Ireland beaches app:
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