▁ ▁During ▁the ▁ 1 5 th ▁century ▁a ▁pal as ▁was ▁built ▁along ▁the ▁north ▁wall , ▁incorpor ating ▁the ▁old ▁tower . ▁ ▁The ▁old ▁north - west ▁corner ▁of ▁the ▁ring ▁wall ▁was ▁demol ished ▁and ▁a ▁two ▁story ▁half - tim ber ed ▁residence ▁was ▁added . ▁ ▁A ▁gate house ▁was ▁first ▁built ▁near ▁the ▁south - east ▁corner ▁in ▁ 1 4 8 5 / 8 6 , ▁though ▁it ▁was ▁later ▁replaced . ▁ ▁The ▁eastern ▁buildings , ▁the ▁entrance ▁hall ▁and ▁a ▁chap el ▁were ▁added ▁in ▁ 1 7 8 6 / 8 7 . ▁ ▁The ▁old ▁gate house ▁was ▁replaced ▁with ▁another ▁that ▁has ▁the ▁date ▁ 1 7 4 1 ▁car ved ▁above ▁the ▁entrance . ▁ ▁Today ▁the ▁castle ▁is ▁open ▁for ▁t ours ▁by ▁appointment . ▁ ▁In ▁addition ▁the ▁restaurant ▁is ▁open ▁most ▁days ▁and ▁many ▁of ▁the ▁rooms ▁are ▁available ▁for ▁meet ings ▁and ▁events . ▁ ▁See ▁also ▁ ▁List ▁of ▁cast les ▁in ▁Switzerland ▁ ▁References ▁ ▁External ▁links ▁▁ ▁official ▁website ▁ ▁Category : C ult ural ▁property ▁of ▁national ▁significance ▁in ▁Th urg au ▁Category : Cast les ▁in ▁Th urg au <0x0A> </s> ▁Inside ▁Canada ▁is ▁a ▁Canadian ▁variety ▁television ▁series ▁which ▁a ired ▁on ▁C BC ▁Television ▁from ▁ 1 9 7 3 ▁to ▁ 1 9 7 4 . ▁ ▁Prem ise ▁This ▁W inn ip eg - produ ced ▁series ▁began ▁as ▁a ▁three - ep is ode ▁run