Hull KR have been outside the top flight for 12 years
Hull KR: (22) 29
Tries: Ford, J Goddard 2, Murrell, Weisner
Goals: Morton 4
Drop goals: Murrell
Widnes: (4) 16
Tries: Dodd, Candy, Blanch
Goals: Dodd 2
Hull Kingston Rovers clinched promotion to Super League with a 29-16 victory over Widnes Vikings in the LHF National League One Grand Final on Sunday.
Robins centre Jon Goddard scored two of his side's four tries in the win at Warrington's Halliwell Jones Stadium.
Widnes were looking to bounce back into the top flight at the first attempt following their relegation last year.
But despite a late flurry, during which Damien Blanch went over, they could not deny Justin Morgan's Hull KR side.
Morgan has taken Rovers to the promised land in his first full season and will become Super League's youngest head coach at just 31.
Rovers, who finished four points above the Vikings at the end of the regular season, won all three meetings with them this year and this was arguably their most comfortable.
The victory puts Rovers back in the top flight for the first time in 12 years.
Hull KR coach Justin Morgan
"I think we saw the determination that has driven this team all year. They've worked very hard for 11 months and they've become very close.
"I'm very privileged to be able to coach a bunch of players like this and go down in history by getting Hull Kingston Rovers into Super League.
"I thought the first 40 minutes was the best we've played all year. We kicked exceptionally well, we had a great attitude defensively and our kick-chase was spot on."
Widnes coach Steve McCormack
"This feeling is worse than ever. We knew what Hull KR would do. They started a lot quicker.
"They looked quicker around the play-the-balls and their kick-chase was outstanding. Justin deserves a big rap. They've been fantastic all year.
"But I'm very proud of the way my team responded when they could have crumbled. We were just left with too much to do."
Hull KR: Cockayne, Rivett, Morton, J. Goddard, Ford, Murrell, Webster, Aizue, Fisher, Tangata-Toa, Morrison, Smith, Gallacher.
Replacements: Weisner, Barker, J. Netherton, Wilson.
Widnes: Dodd, Blanch, Gleeson, Cardiss, Kirkpatrick, Moran, Watson, O'Connor, Smith, McDermott, Cassidy, Allen, Beswick.
Replacements: Summers, Wilkes, James, Candy.
Referee: P Bentham (Warrington).