A camp fire, if permissible by law, is Total Blackout Protocol Review a good deterrent. If the animal spots you first at a distant and does not perceive that you are endangering their food supply, they will usually turn and go another direction. If however the bear starts to approach, this would be the time to use a repellant. If you come across a wild bear this would also be a good time to have a repellant very handy.
Upon encountering a wild bear there are a few different self-defense tactics. First no rapid movements, face the animal and talk softly, then back away, but don't turn your back and move slowly out of range. If possible make yourself look larger as if you were in a kneeling position, stand up straight. If after this the bear still approaches faster than you can back away, curl up into a ball and offer no resistance. Now I don't know about you, but curling up in a ball and let the bear approach scares me. Some people think a handgun would be an effective defense. Most handguns that can be comfortably carried by a hiker are too small a caliber to kill a bear. Instead you would probably make the animal angry and more aggressive. This is where a proven bear spray repellant becomes useful.
The Interagency Grizzly Bear Committee recommends the use of bear pepper spray for defense against bears. The Sierra Club recommends everyone entering bear country carry a repellant spray. Hands down Guard Alaska bear spray seems to be the most effective deterrent available. Guard Alaska does not contain any flammable or ozone depleting substances. This is a 20% ultra-hot pepper spray and is the only one registered by the EPA as a repellant for all species of bears. One can of Guard Alaska Bear Repellant can spray up to 20 feet and last up to 9 seconds, and has a shelf life of 3 years. The formulation of pepper spray opens the pores of the skin and mucous membranes to make the product more effective. The specific gravity of the carrier is greater than that of water, so it will work on a wet animal.
Up to this point the worst case scenario would for you to be face to face with a bear. So in this case it is imperative that you would carry the spray in a holster on your belt. Slowly remove the can and squeeze the trigger so the spray goes straight into the bear's face and eyes. Then as mentioned before, back away and keep going. Don't hang around until the pepper spray wears off. Normally a sprayed bear is disabled for approximately 5 minutes, and is a great tracker, so remove your-self as far as possible from the area. Do not climb a tree unless there is no other alternative. If you can climb it, so can a lot of bears.