Last weekend, I went to a lava tube cave in Flagstaff. I would rate it a 5!!!! I went inside this mile- long cave that was really fun. I tripped a little, but that was fine. Watch out!!!!!!!!!!!!!! It was a little slippery with ice. And it’s about 30 to 35 degrees, so wear your jeans and coats!
Here is their website:
https://www.fs.fed.us/r3/coconino/recreation/peaks/lava-river-cave.shtml