  km ▁with ▁Jordan ▁to ▁the ▁south . ▁ ▁Operation ally , ▁the ▁Al pha ▁Line ▁was ▁drawn ▁in ▁the ▁west , ▁not ▁to ▁be ▁crossed ▁by ▁Isra eli ▁Forces , ▁and ▁the ▁Bra vo ▁Line ▁in ▁the ▁east , ▁not ▁to ▁be ▁crossed ▁by ▁Sy rian ▁Forces . ▁Between ▁these ▁lines ▁lies ▁the ▁Area ▁of ▁Se par ation ▁( A OS ) ▁which ▁is ▁a ▁buffer ▁zone . ▁Ext ending ▁ 2 5   km ▁to ▁either ▁side ▁is ▁the ▁Area ▁of ▁Lim itation ▁( A OL ) ▁where ▁U ND OF , ▁and ▁Ob server ▁Group ▁Gol an ▁( O GG ) ▁obser vers ▁under ▁its ▁command , ▁super v ise ▁the ▁number ▁of ▁Sy rian ▁and ▁Isra eli ▁troops ▁and ▁weapons . ▁Inside ▁the ▁A OS , ▁U ND OF ▁oper ates ▁with ▁check points ▁and ▁pat rol s . ▁In ▁the ▁A OS , ▁the ▁two ▁line - b att al ions ▁are ▁operating , ▁in ▁the ▁northern ▁part ▁A U SB AT T ▁from ▁the ▁Mount ▁Herm on ▁mass if ▁to ▁the ▁region ▁of ▁Q une it ra , ▁and ▁in ▁the ▁south ▁P OL B AT T ▁down ▁to ▁the ▁Jordan ian ▁border . ▁ ▁Between ▁Israel ▁and ▁Sy ria ▁there ▁is ▁no ▁official ▁border ▁crossing , ▁but ▁for ▁the ▁UN ▁one ▁crossing ▁point ▁exists ▁near ▁Q une it ra , ▁called ▁" The ▁A - G ate ". ▁Although ▁the ▁line ▁batt al ions ▁and ▁H Q ▁operate ▁on ▁the ▁Sy rian ▁side , ▁H Q