This is an intriguing first APUG post.
If you are actually in the forest, and come upon a bear, film choice may be a ways down your priority list.
Forests themselves are challenging photographic environments. The light is either really flat and quite dim, or the scene brightness range is extremely high.
Fast print film may be a better choice.
Of course, British Columbia offers a tremendous variety of photographic opportunities. Do you have an itinerary or destination in mind? With more detail, we may be able to give more help.
Here are a few shots from a fairly tame portion of the forest around here - a regional park in Langley, to be specific. I used an RB67 on a tripod for each of them - not the gear I would recommend for bears.