Through the "San Isabel" NF (Dirtroad, ridge, some cross country (coming down Park Mountain), some singletrack trail. )
Walk along the tracks
hitchhike
Bus drop off
High camp at Cuatro Peak (13 km in from trailhead and 1500m ascent)
Camp on Park Mountain (Before cross country section, only possible if some snow left to melt for water)
Camp before leaving public land
Camp somewhere along the tracks (Preferrably hidden from view.)
Bus