ides ▁at ▁the ▁park ▁that ▁have ▁long ▁since ▁been ▁removed . ▁ ▁A ▁nine - hole ▁golf ▁course ▁was ▁opened ▁in ▁ 1 9 2 2 , ▁and ▁has ▁since ▁been ▁expanded ▁to ▁ 1 8 ▁holes . ▁The ▁Pennsylvania ▁Al pine ▁Club ▁paid ▁for ▁the ▁reconst ruction ▁of ▁the ▁stack ▁of ▁the ▁old ▁furn ace ▁and ▁built ▁a ▁monument . ▁A ▁black sm ith ▁shop , ▁the ▁stack , ▁and ▁numerous ▁char co al ▁hear th s ▁and ▁char co al ▁roads ▁are ▁visible ▁rem ind ers ▁of ▁the ▁iron - making ▁days . ▁Many ▁of ▁the ▁roads ▁and ▁facilities ▁used ▁today ▁at ▁C aled onia ▁State ▁Park ▁were ▁built ▁during ▁the ▁Great ▁De pression ▁by ▁the ▁young ▁men ▁of ▁the ▁Civil ian ▁Conserv ation ▁Corps ▁( CC C ). ▁ ▁Rec re ation ▁C aled onia ▁State ▁Park ▁has ▁ ▁of ▁h ik ing ▁tra ils , ▁a ▁sw imming ▁pool , ▁golf ▁course , ▁a ▁summer ▁stock ▁the ater , ▁and ▁is ▁open ▁to ▁hunting ▁and ▁fish ing ▁to ▁provide ▁recre ation ▁and ▁entertain ment ▁for ▁park ▁visitors . ▁ ▁Camp ground ▁C aled onia ▁State ▁Park ▁has ▁a ▁total ▁of ▁ 1 8 4 ▁tent ▁and ▁tra iler ▁cam ps ites ▁at ▁two ▁camp ground s . ▁They ▁open ▁in ▁mid - A pril ▁for ▁the ▁first ▁week end ▁of ▁tr out ▁season ▁and ▁close ▁in ▁December ▁at ▁the ▁conclusion ▁of ▁de er ▁season . ▁The ▁camp ing ▁area ▁has ▁hot ▁show ers , ▁flush ▁to ile ts ,