Trimsaran lies on the B4308 between Llanelli and Kidwelly, in the Welsh county of Carmarthenshire.
Trimsaran is six miles (10 km) from Llanelli, and 13 miles (21 km) from Carmarthen. It is close to Burry Port harbour, Pembrey Country Park, Beach and the Millennium Coastal Park.
There are comprehensive local bridleways through forest and around ponds. Good access to the Gower peninsula, which was designated as the UK’s first Area of Outstanding Natural Beauty