Nelson NewsSteep and inoperable terrain allows Mount Freya wildfire to grow exponentiallyFrom .3 to 367.8 in 7 daysPhoto: B.C. Wildfire Service Cultus Creek wildfire. On Saturday, the wildfire was listed as burning out-of-control in steep and inoperable terrain in the Valhalla Range near Mount Freya. However, the Mount Freya wildfire area is deemed unsafe and inaccessible for firefighting crews, the B.C. “(The) wildfire burning in challenging terrain, where direct suppression activities would provide limited operational benefit while exposing firefighters to unnecessary risk.