1969–70 Northern Rugby Football League season
|League||Northern Rugby Football League|
|Top point-scorer(s)||Colin Tyrer 385|
|Top try-scorer(s)||John Atkinson 38|
- Tactical substitutions were now allowed to occur after half time during a game, they had been permitted before half time since 1964.
Leeds had ended the regular season as league leaders for the fourth successive season. St. Helens won their fifth Rugby Football League Championship when they beat Leeds 24-12 in the final. Frank Myler was awarded the Harry Sunderland Trophy as man-of-the-match.
Wigan won the Lancashire League, and Leeds won the Yorkshire League, to date this was the last season in which the Lancashire League and Yorkshire League titles were awarded, other than a break between the 1902–03 and 1906–07 seasons, and breaks for World War I and World War II, the Lancashire League and Yorkshire League titles had been awarded since the inaugural rugby league season of 1895–96. Swinton beat Leigh 11–2 to win the Lancashire Cup, and Hull beat Featherstone Rovers 12–9 to win the Yorkshire Cup.
|5||Hull Kingston Rovers||34||22||2||10||46|
|Round of 16||Quarter-finals||Semi-finals||Final|
|Hull K R||5|
|Hull K R||26|
|Hull K R||27|
|St Helens||9-21||Third Place|
This was Castleford’s third Cup Final win in three Final appearances and their second in successive years. It was also the lowest winning score in a Challenge Cup Final at Wembley.
- de la Riviere, Richard, ed. (2009), "Top ten: Rugby league rules", Rugby League World, Brighouse, UK: League Publications (published August 2009) (340), p. 61, ISSN 1466-0105
- "1969-70 Season summary". Archived from the original on 2009-09-16. Retrieved 2009-08-08.
- "RFL Challenge Cup Roll of Honour". Archived from the original on 2009-09-16. Retrieved 2009-08-07.