Moon Germs is actually a stand alone boulder above and a bit back from the top of Bouldering Slab/Prowe routes containing a few boulder climbs.
Climb the Bouldering Slab to the right of the Prowe, or continue on the trail past Trailside Crack on hang a left past a memorial.
Browse More Classics in Moon Germs
Mountain Project's determination of some of the classic, most popular, highest rated routes for Moon Germs:
Arete 5.10b Trad, 13 feet
Featured Route For Moon Germs