1999 Chevy Lumina cooling system leak

Other Category problem
1999 Chevy Lumina V6 Front Wheel Drive Automatic 98000 miles

I have a leak under the upper intake manifold which seems to be coming from either the head or possibly the line that runs from the water pump under the upper intake. Can you tell me how to get this off and where it goes to.I have checked manuals and can't find a clear picture of it. Thanks