1970 General Election - Caernarvon
| Year | 1970 |
| General election | 1970 General Election |
| Constituency | Caernarvon |
| Turnout | 84.1% |
Results
| Candidate | Party | Votes |
| Roberts, Goronwy | Labour | 13,627 |
| Lewis, R | Plaid Cymru | 11,331 |
| Smith, KJ | Conservative | 7,812 |
| Williams, JA | Liberal | 2,195 |