▁while ▁the ▁remainder ▁must ▁be ▁reserved . ▁ ▁Cab ins ▁The ▁park ▁contains ▁four ▁stone ▁and ▁tim ber ▁cab ins ▁that ▁were ▁built ▁by ▁the ▁Civil ian ▁Conserv ation ▁Corps ▁and ▁the ▁Works ▁Progress ▁Administration ▁in ▁the ▁ 1 9 3 0 s . ▁The ▁cab ins ▁can ▁be ▁reserved ▁online ▁through ▁the ▁park ▁res ervation ▁system . ▁ ▁Tra ils ▁There ▁are ▁more ▁than ▁ ▁of ▁developed ▁tra ils ▁around ▁the ▁lake . ▁Tra ils ▁are ▁marked ▁with ▁points ▁of ▁interest ▁that ▁correspond ▁with ▁trail ▁bro ch ures ▁available ▁at ▁trail ▁heads , ▁the ▁camp ground ▁and ▁the ▁park ▁office . ▁ ▁There ▁is ▁also ▁a ▁ ▁Lake - to - L ake ▁State ▁Park ▁Bi ke ▁Route ▁connecting ▁P ine ▁Lake ▁and ▁George ▁W yth ▁Memorial ▁State ▁Park s . ▁ ▁Lake ▁Both ▁la kes ▁are ▁stock ed ▁with ▁bass , ▁cra pp ie , ▁nor ther ns , ▁and ▁cat fish . ▁The ▁Iowa ▁River ▁borders ▁a ▁portion ▁of ▁the ▁park ▁and ▁is ▁noted ▁for ▁its ▁channel ▁cat fish ▁and ▁small mouth ▁bass . ▁A ▁beach ▁is ▁located ▁on ▁the ▁lower ▁lake . ▁ ▁Bo ats ▁and ▁can o es ▁are ▁no ▁longer ▁available ▁for ▁r ental , ▁and ▁there ▁was ▁no ▁con cess ion aire ▁for ▁ 2 0 0 9 . ▁There ▁are ▁boat ▁ram ps ▁are ▁on ▁both ▁la kes . ▁Only ▁electric ▁mot ors ▁may ▁be ▁used . ▁ ▁References ▁ ▁External ▁links ▁P ine ▁Lake ▁State ▁Park ▁ ▁Category : C ivil ian ▁Conserv ation