Where to Find and Catch Gurdurr
From Pokemon Go Wiki
Gurdurr are found and captured in Nest and Habitat locations.
Nests
Gurdurr Nests are locations that consistently spawn Gurdurr.
Habitats
Gurdurr Habitats are spawn locations where Gurdurr 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: