There is 0 reason to hunt bears 10 miles in unless that’s the experience you are striving for.
Mind giving me some of your bear spots, then? 
Bears are going to be where the food source is for that time of year. It’s knowing what bears are targeting at the time when you are hunting a given area. There is so many bears in WA and so little pressure that there is 0 reason to have to pack in to hunt them. I’ve shot or helped wife and friends kill around 30-40 bears and none have been over a mile from truck. Most under 1/2 mi from rig. Lotta bears are spotted glassing from truck and then making a plan to get into range.
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I'm nit a bear expert.
But I have seen more bear when I wasn't looking for them than when I have looked for them.
Most of my "spot and stalk" attempts have turned into "spot and spook"
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I see bear every year, actually it is becoming more frequent.
And usually while I am not even thinking about them..
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Blackberries seem to be better for lowland bear.
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I love blue huckleberries, both high bush and low.
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But in the area I hunt it is mostly high bush..
Scattered patches and not an actual "food source"..
More of a convenience snack.
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But main trails over saddles on ridgelines between drainage are good places.
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Drive logging roads, walk logging roads, get out of the truck at every gate.
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Mark any place you find sign.
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Look at the trees alongside the road.
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I don't know what they are eating up some of them, but if you see trees with a bunch of broken branches..
Pay attention.
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Cascara trees that have a lot of broken branches?
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Wild plum trees, abandoned orchards?
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I don't know where you are hunting, but a bears home range is bigger than you can walk in a day.
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.but..
It is still it's home range.
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If you find a marker tree, or other sign that a bear visits the same spot more than once...
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Your scouting will pay off.
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