Where to Find and Catch Gliscor
From Pokemon Go Wiki
Gliscor are found and captured in Nest and Habitat locations.
Nests
Gliscor Nests are locations that consistently spawn Gliscor.
Habitats
Gliscor Habitats are spawn locations where Gliscor is likely to be encountered, but not guaranteed the way a Nest is.
Additional Tips and Information
Best Nests
If you know a really good nest or any of the nests above is really good, list them here: