Start your own. Or, put the word out. Vet your companions carefully, the wrong group mix can backfire horribly. Start small, simple, and ensure that you have at LEAST one person who is a tried and true expert.
You have no idea how much fun you’re about to have. However, start small, build, and create trust. I’d be happy to share further ideas. I don’t go with groups but I do have scads and scads of experience.
You can also look up Bold Betties. That might be a superb place to start. Or your local REI. You have LOTS of choices. Just. Go. Do. It.