If that's not possible, cut your line. If a bear learns it can obtain fish just by approaching fishermen, it will return for more. What to do If you see a bear, avoid it if you can. Give the bear every opportunity to avoid you. If you do encounter a bear at close distance, remain calm.
Attacks are rare.
Chances are, you are not in danger. Once the threat is removed, they will move on. Let the bear know you are human. Talk to the bear in a normal voice. Wave your arms.