WHAT:  Salmon Creek Trail HIGHLIGHTS: This newly formed wilderness offers spectacular views of the Big Sur Coastline and Piedras Blancas Lighthouse.  There are campsites along the trail.  WHO SHOULD GO: Hikers and equestrians  HOW TO GET THERE: Take Highway 1, 62 miles north of San Luis Obispo.  WHERE TO PARK:  There are several wide spaces off the road near the trailhead.  The trail sign is obscure in the bushes.  TRAIL CHARACTER and DISTANCE:  The terrain is rugged, for experienced hikes and equestrians only.  The trail starts a slow, steep 600-foot climb in the first mile.  The final campsite, Lions Den Camp, is at the ridge top after a 3,000-foot climb.  The loop is about 10 miles.  CAUTION:  Poison oak is plentiful.  Parking is on a busy highway.