A gun is not a magical amulet against Bad JuJu. And as pointed out, carries some heavy responsibilities. Unless you are going to get training, and spend a lot of time (and money -- ammo isn't cheap) at the range getting and staying proficient in the use of that gun, don't do it. Having a gun but lacking the training to keep and use it safely and effectively, as well as the practice to keep those skills sharp, that gun is more of a hazard to you than to any bad guy. Better you should learn to pay attention to your surroundings and do your camping in safe places. Actually, you have to do that even more so if you have a gun
I took the NRA's concealed carry class just a month ago, and one of the things the instructor said at the end of the class is important to your situation. Pointing out that most states, including this one, the law is very clear: if you shoot someone, you better be able to prove they presented you with a clear and present threat to your own life, lest you be charged with felony assault (at least) or murder. He said when he was carrying, he has to make sure that he's thinking at all times about the possibilities. And he pointed out that if he and his wife were strolling across the parking lot and somebody grabbed her purse and took off, his response would depend on whether he was carrying; if he was, he had to let the perp go, because the grab and run presented no threat to his life, and if he chased the guy down, a fist fight would surely ensue, at which point the gun would be a liability and most likely used against him instead of the other way around. If he wasn't carrying, he'd be after the guy in a flash.
It's only cowboys who wave a gun around and expect bad guys to be repelled, and nobody in their right mind wants to be anywhere around a cowboy with a gun. If you have a gun, you must be prepared to use it. Merely having it is not a good idea.
@Bird Freak is right, when seconds count, the police are indeed only minutes away. Stay alert and away from dangerous places regardless of whether you have a gun or not, but if you get one, do not shirk your duties to train in its use.