After that I explored the lava tubes around the visitors center. I am glad that I have calluses on my knuckles, but wish I also had them on my knees. My cave explorations resulted in a scrape on my knee that left a lovely bloodstain on my jacket and a bruise on the small toe of my left foot when it got caught between two rocks. Spending time underground was totally awesome!
Exhausted, I headed back towards Klamath Falls and found seven or eight mule deer grazing alongside the road.