![DSCF3417 DSCF3417](http://lh5.ggpht.com/-CxOZ5M_W9Wo/UPuuW_zqD3I/AAAAAAAADwQ/hgVvLJEILOU/DSCF34171_thumb3.jpg?imgmax=800)
黄石国家公园有超过十千的地热奇观和五百多个间歇泉。全球逾半的地热奇观和间歇泉都集中在这里。黄石国家公园也是世界最大的活火山之处。
![DSCF3121 DSCF3121](http://lh4.ggpht.com/-sEtA2ppENu0/UPuueD-gO4I/AAAAAAAADwg/uCqQEC1mvtY/DSCF3121_thumb2.jpg?imgmax=800)
黄石国家公园晚上的天气真冷,幸好房间里有暖气设备。在黄石国家公园,冬天气温可低至零下20度。黄石国家公园最冷的气温是零下54度。就算是夏天,气温也有可能降到零度。
![DSCF3122 DSCF3122](http://lh3.ggpht.com/-LukSk5X6MDk/UPuukh5F3lI/AAAAAAAADws/rf_mnZSfp44/DSCF3122_thumb2.jpg?imgmax=800)
在这里要注意保暖,看我穿长袖还外加外套就知道有多冷。
![DSCF3124 DSCF3124](http://lh6.ggpht.com/-0alBTQPekVs/UPuuqqsYCQI/AAAAAAAADxA/MAPZu6gzFwg/DSCF3124_thumb2.jpg?imgmax=800)
准备好后,要出发咯。
![DSCF9440 DSCF9440](http://lh4.ggpht.com/-vCFknWoeMbU/UPuuvUWrr9I/AAAAAAAADxQ/HaLaYOvlx-o/DSCF9440_thumb1.jpg?imgmax=800)
看见远处在吃草的鹿群。
![DSCF9443 DSCF9443](http://lh6.ggpht.com/-akMgkiaayuI/UPuu2tLcmgI/AAAAAAAADxg/MKleN0ynpmQ/DSCF9443_thumb1.jpg?imgmax=800)
![DSCF9444 DSCF9444](http://lh5.ggpht.com/-rq4DX-Glpao/UPuu8KqRwZI/AAAAAAAADxw/4A_r3UiMPXE/DSCF9444_thumb1.jpg?imgmax=800)
还看见美洲野牛的庐山真面目,真是太幸运了。
![DSCF3125 DSCF3125](http://lh5.ggpht.com/-zT2RZxd_7Mo/UPuvC1deb1I/AAAAAAAADyA/uiaCsicYvAE/DSCF31255_thumb1.jpg?imgmax=800)
第一站: 下间歇泉盆地喷泉 (Lower Geysir Basin) 的水彩调色盘 (Fountain Paint Pot)
![DSCF3219 DSCF3219](http://lh4.ggpht.com/-hRL-hC9JoWs/UPuvJ9jxo5I/AAAAAAAADyQ/iwws4EQRpHQ/DSCF3219_thumb1.jpg?imgmax=800)
![DSCF3127 DSCF3127](http://lh4.ggpht.com/--lMu1LZN1zA/UPuvTTEn9GI/AAAAAAAADyg/3lO5yLG0Dgo/DSCF3127_thumb1.jpg?imgmax=800)
![DSCF3131 DSCF3131](http://lh3.ggpht.com/-4gn_T3E_IyU/UPuvZlUpkPI/AAAAAAAADyw/KFD2tNieRQY/DSCF3131_thumb1.jpg?imgmax=800)
![DSCF9449 DSCF9449](http://lh6.ggpht.com/-VRCANpXEggY/UPuveOX6jiI/AAAAAAAADzA/9n9cvK6wiEM/DSCF9449_thumb2.jpg?imgmax=800)
![DSCF3133 DSCF3133](http://lh3.ggpht.com/-Vr75itsACiY/UPuvjsZdNNI/AAAAAAAADzQ/uECFaYrJDZ8/DSCF3133_thumb1.jpg?imgmax=800)
![DSCF3135 DSCF3135](http://lh5.ggpht.com/-HVRtzlrbSHw/UPuvnd8ggjI/AAAAAAAADzg/KPun-uDniLM/DSCF3135_thumb1.jpg?imgmax=800)
![DSCF3136 DSCF3136](http://lh4.ggpht.com/-52hRQBYAjzY/UPuvteNXgnI/AAAAAAAADzw/5isUlzwPsuc/DSCF3136_thumb1.jpg?imgmax=800)
在这里看到的彩色池来自池中的细菌。呈绿色、褐色和橙色的细菌可活在热达73度的水中。
![DSCF3137 DSCF3137](http://lh6.ggpht.com/-t4ut4r60IrM/UPuv1GwKeWI/AAAAAAAAD0A/eGZPpoENvZI/DSCF3137_thumb1.jpg?imgmax=800)
细菌的颜色也会随水温和阳光而变化。
![DSCF9451 DSCF9451](http://lh6.ggpht.com/-Y8_0XLRaohM/UPuv-efNN1I/AAAAAAAAD0Q/cdhyzzRizeQ/DSCF9451_thumb2.jpg?imgmax=800)
细菌区 (bacteria mat)。
![DSCF3139 DSCF3139](http://lh3.ggpht.com/-DgmlNaAmZL8/UPuwCHh_xDI/AAAAAAAAD0g/eoKV7GQZ3iQ/DSCF3139_thumb1.jpg?imgmax=800)
![DSCF3142 DSCF3142](http://lh6.ggpht.com/-1-gz2hEUpCI/UPuwLZFVjHI/AAAAAAAAD0w/aUPCxSesKv0/DSCF31421_thumb2.jpg?imgmax=800)
Silex 热泉,Silex 是拉丁名,一种矿物 - 硅的意思。名字的由来是热泉涌上地面融化了大量的硅石。
![DSCF3145 DSCF3145](http://lh5.ggpht.com/-Vp_gvpuv_9s/UPuwXAuBMKI/AAAAAAAAD1A/yMPLWwTRZFs/DSCF3145_thumb1.jpg?imgmax=800)
![DSCF3143 DSCF3143](http://lh6.ggpht.com/-SctjLKisAFY/UPuweTLJKoI/AAAAAAAAD1Q/RDLkQLkJ2rY/DSCF3143_thumb1.jpg?imgmax=800)
到处皆可见到蒸汽。
![DSCF3151 DSCF3151](http://lh4.ggpht.com/-pp9F2qGJSi4/UPuwi2Ut2jI/AAAAAAAAD1g/0E2lEtWFEPQ/DSCF3151_thumb1.jpg?imgmax=800)
![DSCF3153 DSCF3153](http://lh3.ggpht.com/-DXA3D_OG1-I/UPuwxIHL85I/AAAAAAAAD1w/ECEjiUuErUQ/DSCF3153_thumb1.jpg?imgmax=800)
![DSCF3156 DSCF3156](http://lh6.ggpht.com/-yYEOuBdLh2Y/UPuw5I7ef4I/AAAAAAAAD2A/8ynEFbkC-xU/DSCF3156_thumb1.jpg?imgmax=800)
水彩调色盘 (Fountain Paint Pots) 其实是泥地。池中滚烫的是泥浆,而不是泉水。
![DSCF3163 DSCF3163](http://lh3.ggpht.com/-53iRU9DL9zE/UPuw_JgfPHI/AAAAAAAAD2Q/df_tUrhFxW4/DSCF3163_thumb1.jpg?imgmax=800)
![DSCF3158 DSCF3158](http://lh6.ggpht.com/-OzwAwG4X8C8/UPuxDMmGu1I/AAAAAAAAD2g/PfBscvk-veo/DSCF3158_thumb1.jpg?imgmax=800)
红喷口 (Red Spouter) 源自1959年Hebgen湖地震。它最特别之处是它具备三种特质: 温泉、泥地和喷气孔,会随季节而变化。当池中水量充足,红喷口是温泉。当池中水量减少,红喷口便变成泥地。当没水时,红喷口则是喷气孔。
![DSCF9461 DSCF9461](http://lh5.ggpht.com/-u-0AkRt_1Dw/UPuxF1HqmlI/AAAAAAAAD2w/6NVkBZOeGmA/DSCF9461_thumb1.jpg?imgmax=800)
![DSCF3167 DSCF3167](http://lh4.ggpht.com/-_GIAnLuY3aQ/UPuxInA-8RI/AAAAAAAAD3A/1Rf5UK9G2JQ/DSCF3167_thumb1.jpg?imgmax=800)
秋天水位低时,红喷口只是喷气。
![DSCF3177 DSCF3177](http://lh6.ggpht.com/-SLXSfH64Peg/UPuxQFWqyHI/AAAAAAAAD3Q/MSHhySYvlb0/DSCF3177_thumb1.jpg?imgmax=800)
由于红喷口不能像其他间歇泉般汲取地下水,所以水位时有变化。
![DSCF3172 DSCF3172](http://lh6.ggpht.com/-NYyml0UKWH0/UPuxWlCkpZI/AAAAAAAAD3g/B-YOoeb9iRk/DSCF3172_thumb1.jpg?imgmax=800)
![DSCF3175 DSCF3175](http://lh3.ggpht.com/-BuzWJwY3v7A/UPuxfnEhwMI/AAAAAAAAD3w/BQ_aw58ZYc4/DSCF31751_thumb2.jpg?imgmax=800)
在这里闻到的臭鸡蛋味道其实来自一种温泉的微生物。
![DSCF3176 DSCF3176](http://lh6.ggpht.com/-rHM3NYosu1s/UPuxmB_KMDI/AAAAAAAAD4A/_UTXfQCQuYI/DSCF3176_thumb1.jpg?imgmax=800)
皮革湖 (Leather Pool) 也是源自1959年Hebgen湖地震。地震前,它温暖的水滋生了如皮革般褐色的细菌。地震后,水温巨升杀灭了湖中的细菌,湖水从此变成蓝色。
![DSCF9466 DSCF9466](http://lh4.ggpht.com/-ESgWWXquHZA/UPuxs9OFJ7I/AAAAAAAAD4Q/BNZP2olIq60/DSCF9466_thumb1.jpg?imgmax=800)
![DSCF3184 DSCF3184](http://lh6.ggpht.com/-FPNguKM2B2o/UPuxzfA9NgI/AAAAAAAAD4g/lHQJmpFIOfQ/DSCF3184_thumb1.jpg?imgmax=800)
![DSCF3188 DSCF3188](http://lh5.ggpht.com/-L1whfHUGwFc/UPux3Sxg9_I/AAAAAAAAD4w/T0vQs5oRe2w/DSCF3188_thumb1.jpg?imgmax=800)
![DSCF3198 DSCF3198](http://lh6.ggpht.com/-B0RtlR0m_18/UPux7w7nFOI/AAAAAAAAD5A/ZJKtUAdcVlI/DSCF3198_thumb1.jpg?imgmax=800)
![DSCF9480 DSCF9480](http://lh4.ggpht.com/-uQcU9K62onE/UPux_2TdHjI/AAAAAAAAD5Q/G0gJTRKW1ik/DSCF9480_thumb1.jpg?imgmax=800)
喷射间歇泉 (Jet Geyser) 爆发咯! 在活跃时期,喷射间歇泉每隔几分钟就爆发,可喷射达6公尺之高。
![DSCF9476 DSCF9476](http://lh3.ggpht.com/-mb_UcpJWHMc/UPuyKBRboXI/AAAAAAAAD5g/EDyA_ctbDBs/DSCF9476_thumb2.jpg?imgmax=800)
![DSCF9481 DSCF9481](http://lh6.ggpht.com/-gtmqynDF1SQ/UPuyOE-2SuI/AAAAAAAAD5w/fX3B2rUm1es/DSCF9481_thumb1.jpg?imgmax=800)
相比之下,邻近的Spasm间歇泉平静多了,喷射的水只达3尺高。
![DSCF3208 DSCF3208](http://lh6.ggpht.com/-a0Tyn1-Rn3Y/UPuySUf93AI/AAAAAAAAD6A/Z_f8uD7QqVc/DSCF3208_thumb1.jpg?imgmax=800)
![DSCF3212 DSCF3212](http://lh4.ggpht.com/-ehf5zWPEgIc/UPuyYzgZGtI/AAAAAAAAD6Q/86XlAmaGBrA/DSCF3212_thumb1.jpg?imgmax=800)
![DSCF9467 DSCF9467](http://lh5.ggpht.com/-ynBZ612kukY/UPuygBUxpeI/AAAAAAAAD6g/DiIDfqNmR7E/DSCF9467_thumb1.jpg?imgmax=800)
![DSCF3215 DSCF3215](http://lh3.ggpht.com/-vGKTr1PZJ_s/UPuyqnTxEEI/AAAAAAAAD6w/BKh21dfjonM/DSCF3215_thumb2.jpg?imgmax=800)
![DSCF9475 DSCF9475](http://lh5.ggpht.com/-Wml_oyhE9Bg/UPuyyRd8ufI/AAAAAAAAD7A/GlcRoH9y5Jc/DSCF9475_thumb2.jpg?imgmax=800)
![DSCF9487 DSCF9487](http://lh5.ggpht.com/-W2R6t0l55Ys/UPuy7bJILxI/AAAAAAAAD7Q/Fe4d97yDXYA/DSCF9487_thumb2.jpg?imgmax=800)
![DSCF9488 DSCF9488](http://lh3.ggpht.com/-xZMLgYRdJlo/UPuzD2WITRI/AAAAAAAAD7g/MyCYQ1SN-w8/DSCF9488_thumb2.jpg?imgmax=800)
![DSCF3221 DSCF3221](http://lh5.ggpht.com/-aoMFi__fQjU/UPuzHhjHkKI/AAAAAAAAD7w/WfzTDypRZg4/DSCF3221_thumb2.jpg?imgmax=800)
间歇泉盆地带有许多枯死的松树。
![DSCF3225 DSCF3225](http://lh5.ggpht.com/-SpmU9X4THpA/UPuzQ0d-2XI/AAAAAAAAD8A/gSvo-lR-6yU/DSCF3225_thumb2.jpg?imgmax=800)
![DSCF3230 DSCF3230](http://lh5.ggpht.com/-sGyfeK4Qybg/UPuzfCJx11I/AAAAAAAAD8Q/s3ws2BhlW7Y/DSCF3230_thumb2.jpg?imgmax=800)
但盆地外处处可见绿油油的松树,随手拾了地上一颗松树果实作纪念
![DSCF9489 DSCF9489](http://lh4.ggpht.com/-GFXJ_7XE3MY/UPuzs-8RxZI/AAAAAAAAD8g/RVqwEEN4WzY/DSCF9489_thumb2.jpg?imgmax=800)
![DSCF3231 DSCF3231](http://lh4.ggpht.com/-WNvrYnQuwmM/UPuz6daTCpI/AAAAAAAAD8w/37HrHK_U9IE/DSCF3231_thumb1.jpg?imgmax=800)
![DSCF3233 DSCF3233](http://lh3.ggpht.com/-gI9IUoGltdk/UPu0GskBmsI/AAAAAAAAD9A/elTk_A4K0GI/DSCF3233_thumb2.jpg?imgmax=800)
![DSCF3235 DSCF3235](http://lh5.ggpht.com/-1P7ryIm8Ysc/UPu0T0aKPvI/AAAAAAAAD9Q/JY8gZmwjnto/DSCF3235_thumb1.jpg?imgmax=800)
![DSCF3242 DSCF3242](http://lh3.ggpht.com/-a5BHMoHwZkU/UPu0d2AE9cI/AAAAAAAAD9g/xOZY4F_ktGE/DSCF3242_thumb1.jpg?imgmax=800)
![DSCF9491 DSCF9491](http://lh4.ggpht.com/-EXfXmndh_Og/UPu0r0wN3cI/AAAAAAAAD9w/Oubpad_6r44/DSCF9491_thumb2.jpg?imgmax=800)
躺在树下睡个午觉好不悠闲。
![DSCF3244 DSCF3244](http://lh6.ggpht.com/-I66b969xs80/UPu04mN0mhI/AAAAAAAAD-A/9CClbFtJSFU/DSCF3244_thumb1.jpg?imgmax=800)
![DSCF3246 DSCF3246](http://lh5.ggpht.com/-NdgAxIibyjU/UPu091jO1TI/AAAAAAAAD-Q/SPIOhQdf0sk/DSCF3246_thumb1.jpg?imgmax=800)
告别了下间歇泉盆地,接下来便前往上间歇泉盆地 (Upper Geyser Basin)。
![DSCF3248 DSCF3248](http://lh5.ggpht.com/-Yft7HPrbouA/UPu1FFIN4WI/AAAAAAAAD-g/t97ZL1Q-xKA/DSCF3248_thumb1.jpg?imgmax=800)
![DSCF3250 DSCF3250](http://lh6.ggpht.com/-Keqp3Qn55Fw/UPu1Lx3LIFI/AAAAAAAAD-w/79oIJqpnqPM/DSCF3250_thumb1.jpg?imgmax=800)
![DSCF3253 DSCF3253](http://lh4.ggpht.com/-G4JHcSRQnRM/UPu1TBX8OoI/AAAAAAAAD_A/tsLiVtZ0gJs/DSCF32531_thumb1.jpg?imgmax=800)
上间歇泉盆地(Upper Geyser Basin)最有名的是老忠实泉(Old Faithful)。 上间歇泉盆地是黄石国家公园最集中的地热奇景区,此盆地本身就有超过150个间歇泉。
![DSCF9494 DSCF9494](http://lh6.ggpht.com/-r3zxw2tf8J8/UPu1XhUMRUI/AAAAAAAAD_Q/F5kczxiXqBs/DSCF9494_thumb1.jpg?imgmax=800)
唉呀,老忠实泉已开始喷射啦!
![DSCF3257 DSCF3257](http://lh6.ggpht.com/--R2hUv8aA2s/UPu1e6xXXaI/AAAAAAAAD_g/9hy4fZHiOKg/DSCF3257_thumb1.jpg?imgmax=800)
看来只好等下一次喷射时间。老忠实泉平均每隔90分钟就会喷发一次。
![DSCF9497 DSCF9497](http://lh3.ggpht.com/-N1tmYeMI9yo/UPu1khglDiI/AAAAAAAAD_w/D_bZgMJ0Yy8/DSCF9497_thumb2.jpg?imgmax=800)
![DSCF3263 DSCF3263](http://lh4.ggpht.com/-YuDdRpiHs5w/UPu1skG2PVI/AAAAAAAAEAA/nlUmUEDjGTY/DSCF3263_thumb1.jpg?imgmax=800)
![DSCF3265 DSCF3265](http://lh3.ggpht.com/-pdSwE2kvppo/UPu13ECLheI/AAAAAAAAEAQ/z8hDV1L_3uE/DSCF3265_thumb1.jpg?imgmax=800)
老忠实旅店 (Old Faithful Inn) 建于1903年,据说是世上最大的树桐建筑物。
![DSCF3267 DSCF3267](http://lh3.ggpht.com/-kKaTV0riUcM/UPu18wnY3SI/AAAAAAAAEAg/xFb3X2orJUw/DSCF3267_thumb1.jpg?imgmax=800)
老忠实旅店有327间房间,也是国家历史地标。
![DSCF3269 DSCF3269](http://lh4.ggpht.com/-T0sDO9YI8zA/UPu2Cm4utCI/AAAAAAAAEAw/z07UjrAs2M8/DSCF3269_thumb1.jpg?imgmax=800)
![DSCF9496 DSCF9496](http://lh6.ggpht.com/-NJUio1KqqGA/UPu2LDvKCLI/AAAAAAAAEBA/mNmAnCs2DnE/DSCF9496_thumb2.jpg?imgmax=800)
![DSCF3272 DSCF3272](http://lh4.ggpht.com/-GYbweaW0wNI/UPu2T4IJ_aI/AAAAAAAAEBQ/kGtTMHVGVkY/DSCF3272_thumb1.jpg?imgmax=800)
![DSCF3277 DSCF3277](http://lh6.ggpht.com/-Lt0ZRXz4c_o/UPu2ZtrYeiI/AAAAAAAAEBg/S7trwMsJ_es/DSCF3277_thumb1.jpg?imgmax=800)
天真可爱的男童执意要上旅游长巴参观。
![DSCF3281 DSCF3281](http://lh5.ggpht.com/-a4b3t9EuBY0/UPu2eyUy9JI/AAAAAAAAEBw/dddyJeNevso/DSCF32811_thumb1.jpg?imgmax=800)
![DSCF3282 DSCF3282](http://lh6.ggpht.com/-xLa7k6MLnOM/UPu2jOnKPGI/AAAAAAAAECA/sHl6SuuMtgY/DSCF32821_thumb1.jpg?imgmax=800)
![DSCF3285 DSCF3285](http://lh6.ggpht.com/-PTHvT_a05i0/UPu2qXbdLyI/AAAAAAAAECQ/Dt-MM_4QroE/DSCF32851_thumb1.jpg?imgmax=800)
钓鱼爱好者在河边钓鱼。
![DSCF3287 DSCF3287](http://lh5.ggpht.com/-mK6ysxzLgc8/UPu2vK6ds0I/AAAAAAAAECg/Yu584pKhnvI/DSCF32871_thumb1.jpg?imgmax=800)
![DSCF3288 DSCF3288](http://lh6.ggpht.com/-EVHm4j0anf0/UPu2zTm1pQI/AAAAAAAAECw/LqxzofmJocM/DSCF32881_thumb1.jpg?imgmax=800)
![DSCF3299 DSCF3299](http://lh4.ggpht.com/-G2Ko8SE8jc4/UPu26swyqCI/AAAAAAAAEDA/NfehDNvfZf0/DSCF3299_thumb1.jpg?imgmax=800)
火洞河 (Firehole River) 穿过上间歇泉盆地(Upper Geyser Basin)及中间歇泉盆地(Midway Geyser Basin)。
![DSCF3298 DSCF3298](http://lh4.ggpht.com/-uynhDLP0t8c/UPu3DggK6SI/AAAAAAAAEDQ/mYMYlONMD9M/DSCF32981_thumb1.jpg?imgmax=800)
河边的热泉水流入河内,微微冒烟,如同火洞般。
![DSCF9501 DSCF9501](http://lh6.ggpht.com/-4NOEFkJrjo8/UPu3LfWhGRI/AAAAAAAAEDg/FwnZ_wzQCIY/DSCF9501_thumb1.jpg?imgmax=800)
![DSCF3302 DSCF3302](http://lh6.ggpht.com/-aQdR9MQTNcY/UPu3UvfkAbI/AAAAAAAAEDw/EAzTvE5Fab8/DSCF3302_thumb1.jpg?imgmax=800)
![DSCF3303 DSCF3303](http://lh6.ggpht.com/-ZcgSN9mhetQ/UPu3ggxI5EI/AAAAAAAAEEA/cUaqeUpCxbc/DSCF3303_thumb2.jpg?imgmax=800)
![DSCF9498 DSCF9498](http://lh5.ggpht.com/-oMYM1VsTmS0/UPu3m9_WpII/AAAAAAAAEEQ/Q2nkWf3izXI/DSCF94981_thumb1.jpg?imgmax=800)
来到中间歇泉盆地(Midway Geyser Basin)不能错过的两个景点是大棱镜温泉(Grand Prismatic Spring)以及上报间歇泉陨石坑(Excelsior Geyser Crater)。
![DSCF9524 DSCF9524](http://lh5.ggpht.com/-dqawjndiPFY/UPu4MZAE23I/AAAAAAAAEEg/oZJqdmVxNFw/DSCF9524_thumb1.jpg?imgmax=800)
要越过火洞河的桥梁才能到达中间歇泉盆地。
![DSCF3305 DSCF3305](http://lh5.ggpht.com/-yLPjn5xTctA/UPu4UNCd5FI/AAAAAAAAEEw/bYfYdtm-JJA/DSCF3305_thumb1.jpg?imgmax=800)
![DSCF3312 DSCF3312](http://lh4.ggpht.com/-06RiXXYcvSY/UPu4niCm7eI/AAAAAAAAEFA/Jtunime4e8k/DSCF3312_thumb1.jpg?imgmax=800)
![DSCF3315 DSCF3315](http://lh4.ggpht.com/-y6QE0cf1gJk/UPu46HwQYdI/AAAAAAAAEFQ/FQ8Zk6D6aTE/DSCF3315_thumb1.jpg?imgmax=800)
上报间歇泉陨石坑(Excelsior Geyser Crater)每分钟流出 4,000 至4,500加仑的水到火洞河中。
![DSCF3317 DSCF3317](http://lh3.ggpht.com/-gtIOpzOe_a0/UPu5DaAezHI/AAAAAAAAEFg/58OYKyJ_4N4/DSCF3317_thumb1.jpg?imgmax=800)
![DSCF3320 DSCF3320](http://lh4.ggpht.com/-uyVnaY3sdp0/UPu5J50BcJI/AAAAAAAAEFw/C5GFb7w-3X0/DSCF3320_thumb1.jpg?imgmax=800)
虽然19世纪末,它本是活跃的间歇泉,频密和强劲的爆发,现在的它大部分时间只是温泉而已。
![DSCF3321 DSCF3321](http://lh4.ggpht.com/-wEK94Vmtge8/UPu5OvHadsI/AAAAAAAAEGA/NBjIcPi23ds/DSCF33211_thumb1.jpg?imgmax=800)
继续向前就能看见翠绿湖 (Turquoise Pool) ,湖水平静如镜子。
![DSCF3324 DSCF3324](http://lh6.ggpht.com/-268-rEUMaGU/UPu5VIcSQ-I/AAAAAAAAEGQ/d0yX43rP3A0/DSCF3324_thumb1.jpg?imgmax=800)
![DSCF3323 DSCF3323](http://lh5.ggpht.com/-zles-hI_VLg/UPu5Z1nCJsI/AAAAAAAAEGg/4XWxSF-bOto/DSCF3323_thumb1.jpg?imgmax=800)
![DSCF3326 DSCF3326](http://lh5.ggpht.com/-V6nWqWyuXss/UPu5eexs3wI/AAAAAAAAEGw/SLG6lhCX-N8/DSCF3326_thumb1.jpg?imgmax=800)
蛋白石湖 (Opal Pool) 是盆地中另一个温泉。蓝色的小湖周边呈黄色,远远便能辨认出来。
![DSCF3328 DSCF3328](http://lh6.ggpht.com/-v_cwlUGTQEM/UPu5klvE2vI/AAAAAAAAEHA/NU09wg5_XOA/DSCF3328_thumb1.jpg?imgmax=800)
这温泉小而美,像一块宝石般闪烁。
![DSCF3332 DSCF3332](http://lh6.ggpht.com/-MMooEFyXqk4/UPu5q5Q3wHI/AAAAAAAAEHQ/UHbOd5ssv_0/DSCF3332_thumb1.jpg?imgmax=800)
![DSCF3333 DSCF3333](http://lh5.ggpht.com/-6Vl6IE6Mtbo/UPu5waZUkdI/AAAAAAAAEHg/XsW1Bp3wQO4/DSCF3333_thumb1.jpg?imgmax=800)
![DSCF3336 DSCF3336](http://lh5.ggpht.com/-pkDkswTdP8s/UPu54aBIonI/AAAAAAAAEHw/Qrkl05e-1hI/DSCF33365_thumb1.jpg?imgmax=800)
![DSCF3339 DSCF3339](http://lh4.ggpht.com/-ML5lIZYYtZU/UPu5999tu1I/AAAAAAAAEIA/hZZMsnd0FHI/DSCF3339_thumb1.jpg?imgmax=800)
![DSCF3340 DSCF3340](http://lh3.ggpht.com/-ABq91VZd9co/UPu6JfreJwI/AAAAAAAAEIQ/FyQvdmLphDY/DSCF3340_thumb1.jpg?imgmax=800)
![DSCF3347 DSCF3347](http://lh6.ggpht.com/-vMc_TPEhPJ8/UPu6S_LPB0I/AAAAAAAAEIg/XbASYiWD7qs/DSCF33475_thumb1.jpg?imgmax=800)
全世界第三大的大稜镜温泉(Grand Prismatic Spring),直径110公尺,深37公尺。
![DSCF9512 DSCF9512](http://lh3.ggpht.com/-uLOShnyf0og/UPu6aXYWksI/AAAAAAAAEIw/7JMyOCGNtB8/DSCF9512_thumb2.jpg?imgmax=800)
![DSCF9508 DSCF9508](http://lh4.ggpht.com/-wQZOGMaMxpg/UPu6gvrSfvI/AAAAAAAAEJA/A51TWzguwtE/DSCF9508_thumb2.jpg?imgmax=800)
此温泉每分钟流出 2,100 公升泉水到火洞河,泉中的细菌使温泉周边色彩斑斓,艳丽眩目。
![DSCF3353 DSCF3353](http://lh3.ggpht.com/-dchJ36bjnr0/UPu6msAR5yI/AAAAAAAAEJQ/sRkUYILaAks/DSCF3353_thumb1.jpg?imgmax=800)
听说沿Fairy Falls Trail上山有一个大棱镜温泉观看点(Grand Prismatic Spring Overlook),可以看到最漂亮的大棱镜温泉的全貌。但由于要赶回老忠实,只好作罢。
![DSCF3359 DSCF3359](http://lh4.ggpht.com/-RZ9lTVLNUfo/UPu6s7W9WTI/AAAAAAAAEJg/NXL1piN6kYk/DSCF3359_thumb1.jpg?imgmax=800)
参观完大棱镜温泉,又再次经过上报间歇泉陨石坑。
![DSCF3362 DSCF3362](http://lh6.ggpht.com/-64pJjpvBWuw/UPu6ynN0JiI/AAAAAAAAEJw/opbhocWR0kU/DSCF3362_thumb1.jpg?imgmax=800)
这次蒸汽渐散去,终于可以好好地一览上报间歇泉陨石坑的全貌。
![DSCF3366 DSCF3366](http://lh6.ggpht.com/-_M1nQcO_Ax0/UPu649QL1ZI/AAAAAAAAEKA/bMxfdJ_Q0IM/DSCF3366_thumb1.jpg?imgmax=800)
![DSCF3368 DSCF3368](http://lh4.ggpht.com/-eiE16Dpc3_8/UPu69SxjG3I/AAAAAAAAEKQ/yHQa4KYI-UA/DSCF3368_thumb1.jpg?imgmax=800)
![DSCF3369 DSCF3369](http://lh5.ggpht.com/-KtPHsjHR8wk/UPu7D-kaRBI/AAAAAAAAEKg/I9iPS9t8CA8/DSCF3369_thumb1.jpg?imgmax=800)
![DSCF3372 DSCF3372](http://lh3.ggpht.com/-jvWjYvGsn6k/UPu7IB_7ZbI/AAAAAAAAEKw/kcIgNZHIuWs/DSCF3372_thumb1.jpg?imgmax=800)
![DSCF3375 DSCF3375](http://lh4.ggpht.com/-eB3gYNkMzSk/UPu7OqFiuMI/AAAAAAAAELA/r05z93Dy0LU/DSCF3375_thumb1.jpg?imgmax=800)
在1880年左右突然猛烈爆发,把周围的土地崩塌,地下供水的管道被破坏,导致间歇泉不再喷射。直到1985年,此间歇泉突然大爆发,但从此便平静至今。
![DSCF9520 DSCF9520](http://lh4.ggpht.com/-_i7ubJpCv4s/UPu7ZY4rf6I/AAAAAAAAELQ/qIs9PDm4bdc/DSCF9520_thumb1.jpg?imgmax=800)
![DSCF3380 DSCF3380](http://lh6.ggpht.com/-Wp29PKypCp0/UPu7faRxHNI/AAAAAAAAELg/eZqfSYkKoMM/DSCF3380_thumb1.jpg?imgmax=800)
![DSCF3381 DSCF3381](http://lh3.ggpht.com/-O3S0ID7BR98/UPu7l0fcLEI/AAAAAAAAELw/nmCg_mr7U3c/DSCF3381_thumb1.jpg?imgmax=800)
![DSCF9522 DSCF9522](http://lh4.ggpht.com/--1c9_ydb7II/UPu7uP7UJ9I/AAAAAAAAEMA/IZk5ph4PNYs/DSCF9522_thumb2.jpg?imgmax=800)
流入火口河的热泉形成独特的小瀑布。
![DSCF3403 DSCF3403](http://lh6.ggpht.com/-4n9ANJeX5sQ/UPu72HfSI5I/AAAAAAAAEMQ/YZ_BzSapTCY/DSCF3403_thumb1.jpg?imgmax=800)
![DSCF9525 DSCF9525](http://lh4.ggpht.com/-xOXjJuDs8Do/UPu79q36E7I/AAAAAAAAEMg/SHtSZxQQtac/DSCF9525_thumb1.jpg?imgmax=800)
![DSCF9526 DSCF9526](http://lh5.ggpht.com/-5TrgzeYEVUI/UPu8EArV2sI/AAAAAAAAEMw/Cgd6iP0JFcw/DSCF95261_thumb1.jpg?imgmax=800)
站在火口河河床上。
![DSCF3404 DSCF3404](http://lh4.ggpht.com/-DjnrPxyQFeU/UPu8LIAcsTI/AAAAAAAAENA/FhuW19uyGaE/DSCF3404_thumb1.jpg?imgmax=800)
好了,回到老忠实。观众已聚集等候老忠实爆发。
![DSCF3407 DSCF3407](http://lh6.ggpht.com/-Tvkaw25yNZ8/UPu8PcSxwfI/AAAAAAAAENQ/4THlZ53hUsI/DSCF3407_thumb1.jpg?imgmax=800)
开始了!
![DSCF3408 DSCF3408](http://lh3.ggpht.com/-3pA9feUXgZk/UPu8TvidEWI/AAAAAAAAENg/RBYjui9LNwc/DSCF3408_thumb1.jpg?imgmax=800)
![DSCF3416 DSCF3416](http://lh5.ggpht.com/-lkOhtyuRQL8/UPu8XZuwqOI/AAAAAAAAENw/za0f2pcn1iI/DSCF3416_thumb1.jpg?imgmax=800)
![DSCF9538 DSCF9538](http://lh5.ggpht.com/-9Smq3Z03fJY/UPu8aajckJI/AAAAAAAAEOA/HxWK58VZuZ4/DSCF95381_thumb1.jpg?imgmax=800)
喷发高度最高记录是185尺,每次喷发维时约一分半钟至五分半钟不等。
![DSCF3418 DSCF3418](http://lh4.ggpht.com/-H-vut96huZw/UPu8gMwIxPI/AAAAAAAAEOQ/prMj4OZ7kk4/DSCF34181_thumb1.jpg?imgmax=800)
![DSCF9531 DSCF9531](http://lh5.ggpht.com/-uWl92M_GCnM/UPu8lpDz_II/AAAAAAAAEOg/b18pd0ePLns/DSCF9531_thumb1.jpg?imgmax=800)
老忠实间歇泉虽然不是规模最大、射程最高、喷水时间最长的喷泉,但其规律而稳定的周期给它带来了知名度,吸引了无数的游客前来观光游览,也正因为如此人们称其为[老忠实]。
![DSCF3426 DSCF3426](http://lh6.ggpht.com/-4a0k80T36hs/UPu8sDX6smI/AAAAAAAAEOw/kCSCY0WTIZU/DSCF3426_thumb1.jpg?imgmax=800)
![DSCF3427 DSCF3427](http://lh5.ggpht.com/-OilU9VkNeiQ/UPu8wMDpINI/AAAAAAAAEPA/coMZ1qbuVXg/DSCF34271_thumb1.jpg?imgmax=800)
![DSCF9495 DSCF9495](http://lh4.ggpht.com/-AB5M1RTCuJk/UPu81zj5V0I/AAAAAAAAEPQ/XDY_zeKWAPQ/DSCF9495_thumb1.jpg?imgmax=800)
可爱的熊灯笼。
![DSCF3433 DSCF3433](http://lh3.ggpht.com/-Xr4ITOllc_Y/UPu87z3UTTI/AAAAAAAAEPg/Smv6_ZNcpog/DSCF3433_thumb1.jpg?imgmax=800)
观赏完老忠实的喷发后,我们便依依不舍地离开了黄石国家公园 。
![DSCF3435 DSCF3435](http://lh5.ggpht.com/-D0p4m0APLWc/UPu9AZakJ5I/AAAAAAAAEPw/w0_Zt04ADKs/DSCF3435_thumb1.jpg?imgmax=800)
![DSCF3436 DSCF3436](http://lh3.ggpht.com/-FV-4S3JPJx4/UPu9IS2WZzI/AAAAAAAAEQA/nUbAWMLYqqQ/DSCF3436_thumb1.jpg?imgmax=800)
![DSCF3438 DSCF3438](http://lh3.ggpht.com/-Zk6pkbcIfkU/UPu9Ojs5dpI/AAAAAAAAEQQ/e8j4MW4ioaA/DSCF34381_thumb1.jpg?imgmax=800)
![DSCF3448 DSCF3448](http://lh4.ggpht.com/-HAwZX53gxJw/UPu9UXh7q7I/AAAAAAAAEQg/MYAqkqAIxYQ/DSCF3448_thumb1.jpg?imgmax=800)
大黄石生态圈的野生动物在这个国家公园里是应有尽有,包括美洲野牛、叉角羚、驼鹿、马鹿、白尾鹿、大角羊、郊狼、灰狼、水獭等等。
![DSCF9628 DSCF9628](http://lh5.ggpht.com/-BLV4FJISdxs/UPu9Z8omqmI/AAAAAAAAEQw/NpEr0hVa0ME/DSCF96281_thumb1.jpg?imgmax=800)
![DSCF9624 DSCF9624](http://lh5.ggpht.com/-PhKXg5i4Qu8/UPu9iwdml0I/AAAAAAAAERA/iPm4tTbQNF0/DSCF9624_thumb2.jpg?imgmax=800)
![DSCF9626 DSCF9626](http://lh5.ggpht.com/-iqj3AG8MQ9I/UPu9oM3JpNI/AAAAAAAAERQ/EfVOtrWqJbo/DSCF96265_thumb1.jpg?imgmax=800)
又有幸看见群鹿过河。可惜没能目睹灰熊的真面目。果真见到熊,是该装死还是逃之夭夭呢? (笑)
记得要与野生动物保持安全距离。当动物注意到你时,表示你已经太过接近了!
![DSCF3440 DSCF3440](http://lh4.ggpht.com/-501gZ4N_S9A/UPu9tNtws_I/AAAAAAAAERg/8yblZTyH7gw/DSCF34402_thumb1.jpg?imgmax=800)
黄石国家公园真的是美国伟大的自然界奇观。要真正体验黄石国家公园之美,恐怕得住上至少一星期才够。不过短短的两天就足以让我爱上这里。再见,黄石国家公园。
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