Experienced Judokas also have their own opinions about what makes a great gym.
There’s a chance that there are people in your current network who are already doing Judo. Reach out to people around you to see if they train or know anyone who does. Ask Judokas in your circle about where they train and why they chose the gym they’re at. It’s in your best interest to ask for their insights since they have more experience in the art of Judo. Experienced Judokas also have their own opinions about what makes a great gym.