| Country: | Wales |
| Official Name: | Rhydroser |
| Coordinates: | 52.289°N -4.1082°W |
| Cardiff Distance Mi: | 68.5 |
| Cardiff Distance Km: | 110.3 |
| London Distance Mi: | 178 |
| London Distance Km: | 286.5 |
| Unitary Wales: | Ceredigion |
| Community Wales: | Llanrhystud |
| Constituency Welsh Assembly: | Ceredigion |
| Constituency Westminster: | Ceredigion Preseli |
| Post Town: | Aberystwyth |
| Postcode District: | SY23 |
| Postcode Area: | SY |
| Os Grid Reference: | SN 5631 6774 |
Rhydroser is a hamlet in the community of Llanrhystud, Ceredigion, Wales, which is 68.5 miles (110.3 km) from Cardiff and 178 miles (286.5 km) from London. Rhydroser is represented in the Senedd by Elin Jones (Plaid Cymru) and is part of the Ceredigion constituency in the House of Commons.[1] [2]