(Larch Mountain, OR)  --  Four hikers who disappeared on Larch Mountain yesterday are now safe.  Officials say the hikers, who include a young adult and three teenagers, weren't prepared for overnight conditions.  Officials say after the hikers were reported missing yesterday evening, crews stayed in touch with them after beginning the search around 8:45 last night.  The hikers, who were reached around 11 p.m., range in age from 14 to 24.