The main flow freezes and occasionally makes for a few good lines. You can hear the water flowing under the ice which comes in like a peel. Sometimes about 10 feet of barely overhung ice can be climbed on the far left side of the falls.
Head to Stephens falls
Top rope, 1-2 screws if the ice is thick enough
Photos of Stephens Falls (aka Orange Peel, aka the Falls Proper) Slideshow