These are chain-fruit chollas (rhymes with goya). Believe it or not, there are 28 varieties of chollas.
This is a teddy bear cholla.
Just one of the many mountains in Tucson Mountain Park. This one is more rock than the others and is very colorful.
This is a prickly pear cactus. There are maybe a dozen varieties of them. Notice the heart shaped pad on the left.
This area has a lot of saguaro cacti too. That's pronounced sa-war-o.
Ok I saw a movement off to the side of the trail. Look closely right in the middle of this photo and you can see the tops of a jack rabbit's ears. He stayed still for quite a while.
I think these houses are actually in a part of Tucson. We had passed a sign telling us we were leaving Tucson but I think a part of it is still south of the road.
This is the skeleton of a cholla cactus.
There were a few large rocks around.