I'm no psychologist or anything but i would guess it has to do with your fight or flight response where you know there's stuff that can go wrong and you're just experiencing an increase in that response.

I've heard that it's a good thing when your brain goes through those kind of scenarios in your head. An example was given like, when you're driving and theres oncoming traffic next to you and you might think to yourself, what's stopping me from just swerving into oncoming traffic and hitting someone. If you're actively thinking about those situations it's your brain reassuring you that you don't want to do it, and crazy people who will do don't have that thought process happening. So it might be like that where you're thinking a bear might eat me, so i should be alert and ready to gtfo or fight at anytime.

Most emotions that might happen can be controlled, you just have to learn how. Tell yourself it's just your over active imagination and calm yourself down. Easier said than done though.

This happened to me for the first time last summer. We had paddled through a swampy area on the way to the site. It was a really cool paddle but it was also a bit creepy. When we got to the site, we unpacked and had lunch. It was an overcast day at the end of our trip and both my husband and I had that heebie jeebie feeling from the site. It wasn't a particularly nice site and it felt "off." We decided to pack up and paddled hard for another 2 hours to make it to our car to head home one day early (we could have found a different site but it would have required taking one on a lake we weren't reserved for so we just headed out). We had had a wonderful trip and didn't feel like we needed to "prove" to anyone that we could tough it out. 

I still feel good about leaving. Can't pin point what caused it but it was nice to be home and we have wonderful memories of site earlier on the trip.

The only one I can remember giving me a bad feeling is the site on Gibson with the lumber camp remains.  The weird thing is is that I never stopped at the site, I just observed the site from the middle of the lake as I paddled past.  I read a trip report from here about someone having the same feeling who stopped at the site to explore it.

Tripper, I have had the same feeling on Gibson Lake in general, but also remember looking at that site and thinking "nope". Something about the whole area gave me the creeps. My wife also found the area weird. We stayed in the Highview cabin that night and that area gave me the creeps too, but not enough to move on. At Highview it just felt clostrophobic I think.

I've definitely had that feeling before. Got it really bad on Little Otterslide one night, on three different sites. I think it had a lot to do with the sites being a mess (fallen trees and what not) combined with it being right before sunset so everything seemed dark and gloomy.  Ended up grabbing a site on the island only to have a bear or moose go crashing through the bush behind my hammock just as it got dark.  Had quite the uneasy sleep that night but did not see any sign of my visitor after that.

I've been there as well, I was on the easternmost site on Lake LaMuir a few years back and I was totally creeped out for some reason. It was a poorly maintained site with a lot of Moose Poop that was sort of low and swampy. I can't explain the sensation but just didn't feel right. I think Uppa is right just a symptom of being alone, I don't think I would have felt that way if there was someone else around. I've had the same sensation in the fall hunting as well in early November, just too quiet. Maby it's just a primal instinct from out hunter/gatherer days, its possible that there is a reason but we just can't comprehend it anymore.

That is Weird, I didn't read the entire thread before posting its interesting that someone had the same feeling in that location. I've gotten the same feeling paddling across mud lake just further east of the campsite between LaMuir and Hogan. I find that area fairly remote, I was there for the opener this year for about 4 days and didn't see a soul until I was paddling out on the last day. The Lake Trout don't seem to mind though

On night 4 of my first solo, I stayed at one of the 4 island sites on Booth.  As i set up camp, I had the feeling i was being watched.  I felt like the Blaire Witch and her pet bear were right behind me all the time.  Then I spotted the source of the problem.  The previous user of the site had bundled lots of 4' long sticks together and stood them up like a 10-legged tripod tied at the top with some ragged-looking hay wire.  I'm sure it was just a way to keep some kindling dry for the next user, but wow did it ever creep me out.