Great Northern UP Conference
The Great Northern UP Conference, is an athletic conference for high schools in the Upper Peninsula of Michigan. It was formed in 1965 as the Great Northern Conference and changed its name to the A-B-C Conference in 1984, and again to its current name in 1990. The football conference was disbanded in 2023, but all other sports continue.
Member schools
Current members
Former members
Membership timeline
DateFormat = yyyy
ImageSize = width:1000 height:auto barincrement:20
Period = from:1965 till:2026
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width:15 textcolor:black shift: anchor:from fontsize:s
bar:1 color:powderblue from:1965 till:1986 text: Escanaba Eskymos
bar:1 color:powderblue from:1987 till:end text:
bar:2 color:powderblue from:1965 till:1970 text: Escanaba Holy Name Crusaders
bar:3 color:powderblue from:1974 till:2016 text: Gladstone Braves
bar:3 color:powderblue from:2018 till:end text:
bar:4 color:powderblue from:1965 till:1977 text: Iron Mountain Mountaineers
bar:5 color:powderblue from:1971 till:1977 text: Ironwood Red Devils
bar:5 color:powderblue from:1986 till:1987 text:
bar:6 color:powderblue from:1965 till:end text: Kingsford Flivvers
bar:7 color:powderblue from:1973 till:end text: Marquette Redmen
bar:8 color:powderblue from:1965 till:end text: Menominee Maroons
bar:9 color:powderblue from:2016 till:2018 text: Sault Area Blue Devils
bar:10 color:powderblue from:1965 till:1966 text: Stephenson Eagles
bar:11 color:powderblue from:1968 till:1981 text: West Iron County Wykons
bar:11 color:powderblue from:1986 till:1987 text:
ScaleMajor = gridcolor:line unit:year increment:5 start:1972
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text:"Great Northern U.P. Conference Membership History"
Football
This list of conference champions goes through the 2022 season. 2022 is the last year that the GNC had a football conference, it will be disbanded for 2023.| # | Team | GNC | ABC | GNC |
| 1 | Menominee | 1969, 1971, 1982, 1983 | 1986-1988 | 1994, 1997–1999, 2003, 2005–2007, 2011, 2013–2016, 2021 |
| 2 | Kingsford | 1965, 1969 | 1990–1996, 2000–2002, 2004, 2008–2010, 2012, 2017, 2021 | |
| 3 | Escanaba | 1966–1968, 1972, 1973, 1978-1982 | 1984, 1988, 1989 | 1994, 1998, 2018 |
| 4 | Marquette | 1975, 1976 | 2011, 2018–2021 | |
| 5 | Gladstone | 1982 | 1985 | 1998, 2022 |
| 5 | West Iron County | 1970, 1974, 1977 |