Eric, along with Chris, and I traveled ~5 of the "7" miles on what was a nice weather Sunday (with a good cloud formation).
The trail was a mix of hard pack snow, bare ground, and slippery ice.
Highlight photos are below while my full set is here:
www.JimWilliamson.net/automobile/2012-01-15--trail-sevenmile-creek/
Eric and Chris have some photos too...
Nice cloud formation
(click for a larger version)