This is in Old Topanga Canyon. There are a few trails leading there, so you can take one up, and another down. The last 300 or so feet is off the trail to keep it hidden from Joe NormalHikerGuy... See the spoiler info below for a hint on where to start and the final find. I've got a dollar riding on Wolf & Ingrid being the first to reach it...
I recommend parking at N 34 06.368, W 118 38.224, though you can certainly park a little further back, where the dirt road starts.
I had a lot of fun with this. DahMooser came along for the ride but hung out about half way up the hill so they could find the cache themselves. I still think the Sr. Hikers will beat them...
Have fun! Oh, yeah, bring a bottle of water in case you get thirsty.
* NOTE: for those of you who have done this before, the cache is back to its original location, so if you're used to it being at the... Well, see hint number 3!