 Nyorai mberi kweiyi ndima - Big Thunder Ski Jumping Centre yaive twin ski jumping chikomo chiri muThunder Bay kuNorthwestern Ontario, Canada. Iyo inoumba rutivi rweBig Thunder National Training Centre. Makomo okutanga akavakwa naKnute naThor Hansen uye akavhurwa muna 1963. Pakutanga dzaizivikanwa seLille Norway Ski Area, ipapo Mt. Norway Ski Area, uye Sundance Northwest Resort vasati vatora zita razvino. Makomo makuru neakajairika akavakwa muna 1974 uye nzvimbo yacho yakatorwa nehurumende yenyika muna 1985. Zvikomo zvakagamuchira makwikwi eFIS Ski Jumping World Cup makumi maviri nemapfumbamwe uye makumi mashanu eCanada Ski Jumping Championships pakati pa1975 na1995, ichipera neFIS Nordic World Ski Championships 1995. Kubhadhara mari kwacho kwakagumiswa uye nzvimbo yacho yakavharwa uye haisi kutarisirwa. 