嘉(jia)峪(yu)(yu)(yu)關關城在(zai)嘉(jia)峪(yu)(yu)(yu)關市區西(xi)南(nan)6公里處，位(wei)于嘉(jia)峪(yu)(yu)(yu)關狹(xia)窄(zhai)的(de)(de)山谷中(zhong)部，地(di)勢高的(de)(de)嘉(jia)峪(yu)(yu)(yu)山上，城關兩翼的(de)(de)城墻橫(heng)穿沙(sha)漠戈壁(bi)，向(xiang)北8公里連黑(hei)山懸(xuan)壁(bi)長(chang)城，向(xiang)南(nan)7公里，接(jie)天(tian)下第一(yi)墩，是(shi)明(ming)代(dai)萬里長(chang)城西(xi)端主宰，自古為河西(xi)第一(yi)隘(ai)口(kou)。關城始建(jian)于明(ming)洪(hong)武(wu)五年(nian)(1372年(nian))，從(cong)初建(jian)到筑成一(yi)座完整(zheng)的(de)(de)關隘(ai)，經歷了168年(nian)（1372－1539年(nian)）的(de)(de)時間，是(shi)明(ming)代(dai)長(chang)城沿線(xian)九鎮所轄(xia)千(qian)余個關隘(ai)中(zhong)雄險的(de)(de)一(yi)座，至今保存完好。
2018中國西(xi)(xi)北旅游(you)(you)營銷(xiao)大(da)會暨旅游(you)(you)裝(zhuang)備展上(shang)，入圍(wei)“神(shen)奇西(xi)(xi)北100景”榜(bang)單。
1961年3月(yue)，被國務院列為全國第一批重點文物保護單位(wei)。因(yin)地勢險要，建筑雄偉而得有“天下雄關”、“連陲(chui)鎖陰”之稱(cheng)。
嘉(jia)峪(yu)關(guan)(guan)(guan)由內城(cheng)(cheng)(cheng)(cheng)(cheng)、外(wai)城(cheng)(cheng)(cheng)(cheng)(cheng)、城(cheng)(cheng)(cheng)(cheng)(cheng)壕三道防線(xian)成重疊(die)并(bing)守之勢(shi)，壁壘森(sen)嚴，與(yu)長(chang)城(cheng)(cheng)(cheng)(cheng)(cheng)連為(wei)(wei)一(yi)(yi)(yi)體(ti)，形成五里一(yi)(yi)(yi)燧，十(shi)里一(yi)(yi)(yi)墩，三十(shi)里一(yi)(yi)(yi)堡，一(yi)(yi)(yi)百里一(yi)(yi)(yi)城(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)軍事(shi)防御(yu)體(ti)系。關(guan)(guan)(guan)城(cheng)(cheng)(cheng)(cheng)(cheng)以(yi)(yi)內城(cheng)(cheng)(cheng)(cheng)(cheng)為(wei)(wei)主，周(zhou)長(chang)640米(mi)，面積2.5萬平(ping)方米(mi)，城(cheng)(cheng)(cheng)(cheng)(cheng)高10.7米(mi)，以(yi)(yi)黃土夯筑而成，西(xi)(xi)側以(yi)(yi)磚包(bao)墻(qiang)，雄(xiong)偉堅固。內城(cheng)(cheng)(cheng)(cheng)(cheng)開東(dong)(dong)西(xi)(xi)兩(liang)門(men)(men)(men)，東(dong)(dong)為(wei)(wei)“光化門(men)(men)(men)”，意為(wei)(wei)紫氣東(dong)(dong)升，光華普(pu)照；西(xi)(xi)為(wei)(wei)“柔遠(yuan)門(men)(men)(men)”，意為(wei)(wei)以(yi)(yi)懷(huai)柔而致遠(yuan)，安(an)定(ding)西(xi)(xi)陲。門(men)(men)(men)臺上(shang)建(jian)(jian)(jian)有(you)(you)(you)三層歇山(shan)頂式建(jian)(jian)(jian)筑。東(dong)(dong)西(xi)(xi)門(men)(men)(men)各有(you)(you)(you)一(yi)(yi)(yi)甕城(cheng)(cheng)(cheng)(cheng)(cheng)圍(wei)護，西(xi)(xi)門(men)(men)(men)外(wai)有(you)(you)(you)一(yi)(yi)(yi)羅城(cheng)(cheng)(cheng)(cheng)(cheng)，與(yu)外(wai)城(cheng)(cheng)(cheng)(cheng)(cheng)南(nan)(nan)北墻(qiang)相連，有(you)(you)(you)“嘉(jia)峪(yu)關(guan)(guan)(guan)”門(men)(men)(men)通往(wang)關(guan)(guan)(guan)外(wai)，上(shang)建(jian)(jian)(jian)嘉(jia)峪(yu)關(guan)(guan)(guan)樓(lou)(lou)。嘉(jia)峪(yu)關(guan)(guan)(guan)內城(cheng)(cheng)(cheng)(cheng)(cheng)墻(qiang)上(shang)還建(jian)(jian)(jian)有(you)(you)(you)箭樓(lou)(lou)、敵(di)樓(lou)(lou)、角樓(lou)(lou)、閣樓(lou)(lou)、閘門(men)(men)(men)樓(lou)(lou)共(gong)十(shi)四(si)座，關(guan)(guan)(guan)城(cheng)(cheng)(cheng)(cheng)(cheng)內建(jian)(jian)(jian)有(you)(you)(you)游擊將軍府、井(jing)亭、文昌閣，東(dong)(dong)門(men)(men)(men)外(wai)建(jian)(jian)(jian)有(you)(you)(you)關(guan)(guan)(guan)帝(di)廟、牌樓(lou)(lou)、戲樓(lou)(lou)等。整個建(jian)(jian)(jian)筑布局精巧，氣勢(shi)雄(xiong)渾，與(yu)遠(yuan)隔萬里的(de)(de)“天下第一(yi)(yi)(yi)關(guan)(guan)(guan)”山(shan)海關(guan)(guan)(guan)遙相呼(hu)應。陳運(yun)和詩才稱“從山(shan)海關(guan)(guan)(guan)跋涉過來的(de)(de)著名史詩 向(xiang)西(xi)(xi)，向(xiang)西(xi)(xi)，直到這(zhe)兒(er)步履(lv)中(zhong)止(zhi) 萬里長(chang)城(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)句號述說(shuo)著過去 那高踞海拔1700多米(mi)的(de)(de)偉大功績 并(bing)城(cheng)(cheng)(cheng)(cheng)(cheng)北倚的(de)(de)馬鬃(zong)山(shan)抖(dou)動古老記憶(yi) 都市(shi)南(nan)(nan)依的(de)(de)祁連山(shan)雪映亮嶄新世紀 遠(yuan)行的(de)(de)駝鈴敲響戈壁景觀 歷代(dai)的(de)(de)蹄跡(ji)回報邊疆警惕(ti) ”。
可在(zai)市區乘坐4路(lu)公(gong)交前(qian)往，票(piao)價(jia)1元(yuan)，車(che)程20分鐘。
每年5～10月(yue)(yue)是關(guan)城的(de)最佳旅游時(shi)間。嘉(jia)峪(yu)關(guan)屬溫(wen)帶干旱氣(qi)候(hou)，年溫(wen)差較大，年平均(jun)氣(qi)溫(wen)6℃左(zuo)右，年降水量80多毫米。冬季1月(yue)(yue)最冷，最低(di)氣(qi)溫(wen)-28.6℃，夏季7月(yue)(yue)最熱，最高氣(qi)溫(wen)38℃。7月(yue)(yue)中旬(xun)將舉辦(ban)嘉(jia)峪(yu)關(guan)國際滑翔節(jie)，屆時(shi)會有精彩的(de)演出和賽(sai)事，一定(ding)不要錯(cuo)過。10月(yue)(yue)是攀登七一冰川的(de)好時(shi)節(jie)，帶上(shang)墨鏡、涂好防(fang)曬霜(shuang)、踏上(shang)登山鞋，好好體驗一番征服冰川的(de)樂(le)趣(qu)。
給生活一把琴 
