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This question is a bit similar with how high does a fence need to be to prevent European brown bear to climb it? question but not exactly (that one specifies a fence, and needs to provide vision and is able to dig around).

I want to build a wall around my property in order to keep the bears away (Romania country, European brown bears). I want to be able to camp / cook / do anything I want inside. I am considering a smooth concrete wall (so it can't be climbed). How tall does it need to be?

Would a vertical bars metal wall be more effective (if yes... how tall should that one be)? Also how far down should I dig?

I am considering a 2.1 m concrete wall, with 40 cm foundation. Is it too small?

In order to not receive off-topic answers / comments (I know questions like this tend to go that way, as you can see in linked post):

  1. No, I cannot consider hiding food / adding ammonia etc. Can't hide a tree full of fruits.
  2. No, I cannot consider electric fencing. Having kids playing around a 10k volt fence doesn't feel like a good idea to me.
  3. No, I cannot add a rooftop. I like the sun... so do my trees :)... and my kids... and can't enclose a 2000 sq m area easily (it is possible but... nope).
  4. Yes, there are reasons to worry about this (and I am glad to provide them in private but that's not the topic). Otherwise I wouldn't ask or be ready to invest thousands of $ in this.

Any other ideas that are on topic (preventing a bear to get inside) are welcomed. Resources are surprisingly scarce on this topic and zoos only have specifications for fences (since the audience need to see the animals) and that doesn't really apply to my situation (I don't need to see them... at least not in my garden).

Thank you for your help, I appreciate it.

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  • Your property will look like a prison afterwards... Have you considered placing your fruit plantation remote from your house, so that they stop luring the bears? Or shepherd dogs? Your question could be a better match on Sustainable Living, because it's more oriented on self-sustainers. This site is more for people, who are recreationally outdoors, and goals at rejoining with nature, not building walls. Sep 19, 2021 at 19:06
  • @DanubianSailor this popped up again in the question feed for some reason. A ha-ha construction would prevent it looking or feeling like a prison. This is basically a boundary ditch with a vertical wall on the inner (protected) side and a gentle grassed slop on the outside. That might also be on topic at gardening (and landscaping).se
    – Chris H
    Dec 1, 2021 at 14:43
  • ... A ha-hah with a fairly low wall (but higher than a child's reach and an electric fence wire just below the top would work nicely. The wall could extend above the inner ground level to stop the kids falling off or touching the wire - to the height of a standard low wall.
    – Chris H
    Dec 1, 2021 at 14:45
  • @ChrisH He mentions kids--a ha-ha wouldn't be safe. However, a partial ha-ha strikes me as a lot better than an outright wall. Make the part that sticks up high enough to keep small kids from going over, make the rest of the distance dug in. Dec 7, 2021 at 5:03
  • @LorenPechtel hence the low wall at the top in my 2nd comment. Between us there's nearly an answer, but lacking the crucial figure for the height.
    – Chris H
    Dec 7, 2021 at 10:13

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The bear pit in Bern, Switzerland (Pinterest photo below) contains European brown bears and has concrete or smooth stone walls. Measuring the photo, the wall is about two times the height of the woman. If the woman is average height, the wall is about 3.3 meters to the capstone.

enter image description here

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    I answered your question, but I would like to add that an electric fence is by far the most sensible solution to your bear problem. Electric fences do not harm people, including children, and they do not harm animals. They deliver a very brief shock, similar to the spark from touching a door knob after walking across a carpet, but stronger. We are not talking about deadly electric fences around a prison or a military base that make smoke come out of your ears. Children are perfectly safe around electric fences, and they are used in my area to keep deer and bear out of orchards.
    – MTA
    Sep 19, 2021 at 21:52
  • Awesome. Never thought checking bear pits (probably because I never seen one in my life). Tyvm.
    – zozo
    Sep 19, 2021 at 22:23
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    @MTA also the electric wire could be used as an anti-climb device, out of the reach of children, on a metal fence - or simply on the outside
    – Chris H
    Sep 20, 2021 at 8:27

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