Ranger Ted in Frogtown after a big rain The power of the LA River today is basically as strong as it’s been all year. And all people, motorcycles and Terminator’s should stay a good safe distance away to observe. But please do observe and wonder at the power of this amazing NATURAL resource in LA. Yes, it’s a real river that runs along a real river course. Much of that is now concrete, yes. But it still retains many of the characteristics of the original un-concrete river.