The 1990 Dudley Hewitt Cup was a series of playoff rounds to determine the central seed to the 1990 Centennial Cup.
Teams[]
- CJHL - Hawkesbury Hawks
- NOJHL - Sudbury Cubs
- QPJHL - Longueuil College Francais
- USHL - Thunder Bay Flyers
Playdowns[]
Semi-final
- Sudbury Cubs defeated Thunder Bay Flyers 4-games-to-2
- Thunder Bay 5 - Sudbury 4
- Sudbury 6 - Thunder Bay 5
- Thunder Bay 8 - Sudbury 0
- Sudbury 4 - Thunder Bay 3
- Sudbury 6 - Thunder Bay 3
- Sudbury 7 - Thunder Bay 5
- Longueuil College Francais defeated Hawkesbury Hawks 4-games-to-1
- Longueuil 3 - Hawkesbury 2
- Hawkesbury 7 - Longueuil 3
- Longueuil 5 - Hawkesbury 4
- Longueuil 6 - Hawkesbury 5 (OT)
- Longueuil 4 - Hawkesbury 1
Final
- Longueuil College Francais defeated Sudbury Cubs 4-games-to-3
- Longueuil - Sudbury
- Longueuil 4 - Sudbury 3
- Longueuil 6 - Sudbury 4
- Sudbury 6 - Longueuil 5
- Sudbury 7 - Longueuil 2
- Sudbury 6 - Longueuil 1
- Longueuil 5 - Sudbury 2