Everyone has heard of rock climbing where you use ropes and pikes -this is a little different-no ropes. no pikes. You just need good walking shoes/boots-sometime-a beautiful day (hopefully not hot) and a mind to just relax, take in the sites and enjoy. Now, I have to warn those who may have health conditions such as pacemakers, bad knees, etc then this climbing might not be for you. Oh and make sure you take a camera and water.
Some of the trails are short and easy to maneuver and some are moderate and require some caution footing and might take 30 minutes or more. And then you have the difficult climbs which take more time. No matter what path yoy take always keep you eyes "peeled" for the markings on the rocks. Some you may not know what they represent others will be so simpe such as a heart.
As for the parking, if you want to park up close then you need to arrive very early (like when the park opens) otherwise you are left driving around and no finding a parking spot and have to walk a good 5-10 minutes just to get to the mountain. And if you have health issues this isn't so good.
Of course you could always as the rangers if you can wait and be notified by a park ranger when a space becomes available.
Now, it does cost $1 for a car and the hours are: 8am to 5pm and they are open year round
So dig in and enjoy! Oh and dont forget to stop by the visitors center.