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I'm in České Budějovice. That's 300 km from Jeseník. I'll have longer time off until Christmas and then sometime in June and September 2025. Those are the only dates when I could go on a hike.

I could do Christmas, 25 and 26 Dec are off work days in Poland. I don't have any family plans and will be available

There will be a lot of snow. It will require cross-country skiing :-).
But that date could be realistic.