The 1970 Clare Senior Hurling Championship was the 75th staging of the Clare Senior Hurling Championship since its establishment by the Clare County Board in 1887.
Newmarket-on-Fergus entered the championship as the defending champions.
The final was played on 13 September 1970 at Cusack Park in Ennis, between Clarecastle and Crusheen, in what was their first ever meeting in the final. Clarecastle won the match by 1âÂÂ07 to 0âÂÂ05 to claim their fourth championship title overall and a first championship title in 21 years.