Approximate - nearest available gauge. Use as general reference only.
The slide is about 300 yards long and is pretty low angle, maybe 5-10 degrees. At high water, it's enough to get moving pretty fast. There are a handful of spinout rocks along the way that can get you sliding sideways, so just work to keep it pointed straight.
The ledge at the end is 8ish feet high and goes pretty much anywhere, although there are two general ideal boofs.
At low levels, the best boof is a finger that juts out from the right half of the ledge. Angle straight downstream, even though the ledge will be at an off-angle to the current.
The left side of the ledge runs perpindicular to the current, but dries out at lower levels. At high levels it's probably the best spot to go off.