▁as ▁top ography ▁allows . ▁Illinois ▁Route ▁ 1 1 6 ▁curves ▁around ▁the ▁camp ▁after ▁crossing ▁the ▁Spo on ▁River ▁at ▁London ▁M ills . ▁Route ▁ 1 1 6 ▁is ▁the ▁camp ' s ▁primary ▁means ▁of ▁access . ▁ ▁For ▁camp ing ▁purposes , ▁In gers oll ▁is ▁often ▁divided ▁into ▁two ▁parts : ▁" Main ▁Camp ," ▁which ▁consists ▁of ▁the ▁developed ▁area ▁west ▁of ▁Lake ▁Roberts ▁used ▁for ▁most ▁camp ▁programs ; ▁and ▁the ▁" E ast ▁Side ," ▁the ▁large ▁und e velop ed ▁area ▁east ▁of ▁Lake ▁Roberts ▁with ▁minimal ▁road ▁and ▁trail ▁access ▁used ▁primarily ▁for ▁h ik ing . ▁The ▁ 1 4 - mile ▁C ed ar ▁Creek ▁Tra il ▁follows ▁the ▁peri ph ery ▁of ▁the ▁entire ▁camp . ▁ ▁The ▁numerous ▁small ▁cre eks ▁and ▁g ul lies ▁empty ing ▁into ▁C ed ar ▁Creek ▁on ▁the ▁southern ▁edge ▁of ▁In gers oll ▁gives ▁the ▁camp ▁unus ually ▁varied ▁top ography ▁for ▁the ▁area . ▁This ▁is ▁most ▁visible ▁at ▁" D ining ▁Hall ▁Hill ," ▁a ▁main ▁thorough fare ▁of ▁the ▁camp , ▁which ▁is ▁located ▁on ▁a ▁long ▁incl ine ▁over looking ▁the ▁broad ▁C ed ar ▁Creek ▁Valley . ▁One ▁minor ▁trib ut ary ▁of ▁the ▁C ed ar ▁Creek ▁was ▁dam med ▁in ▁ 1 9 6 3 , ▁forming ▁ 1 7 - acre ▁Lake ▁Roberts . ▁The ▁camp ▁has ▁another ▁" la ke " ▁in ▁the ▁far ▁East ▁Side , ▁Lake ▁McC ut che on