You can get window well covers. I've heard that cats don't like the small of vinegar and so hosing everything down and then placing cotton balls soaked with vinegar around the area or pour directly on ground
Clean the area with vinegar to remove the urine odor. Sprinkle cayenne pepper or chili powder around. One sniff and they'll remember. May need to reapply.
I would like to know how to get rid those pesty little sink/drain flies. I've tried baking soda and vinegar, drain cleaners and put plastic over the drains.
Try citronella, lavender, peppermint, lemongrass or orange essential oils
Try some of these tips https://www.craftylittlegnome.com/keep-cats-out-of-the-flower-bed/
Spray area with peppermint essential oil. Bugs don't like it either so it will be 2 for 1:)
here is a list of repellents you can buy.
I always say pepermint oil is perfect solution for that . Cats don't like that smell at all
Motion activated water sprinkler.
Clean the area with vinegar to remove the urine odor. Sprinkle cayenne pepper or chili powder around. One sniff and they'll remember. May need to reapply.
German Shepard in the yard. Electric fence in the pee areas.
I would find a motion sensor with lights or water to scare them off.