纳特龙湖(Lake Natron)位于坦桑尼亚北部与肯尼亚交界处,湖面海拔大约 600 米,是东非大裂谷中极为独特的碱性湖泊。这片水域面积随季节波动,最大可达 1040 平方公里,因湖水中嗜盐微生物在高温下大量繁殖,呈现出令人惊叹的砖红色或深粉色。对于想在塞伦盖蒂(Serengeti)之外寻找野性非洲的旅行者来说,这里不仅是 250 万只小火烈鸟的全球重要交配地,更是充满地学奇观的荒凉之地。
很多人在航拍照片里看到的鲜红湖面并非滤镜效果,而是真实存在的自然现象。纳特龙湖的湖水强碱性极高,pH 值经常处于 10.5 到 12 之间,几乎具有和氨水一样的腐蚀性。湖水之所以变红,是因为湖中含有极高浓度的碳酸钠和矿物质,这种环境下只有特定的藻类和嗜盐细菌能生存。当旱季水分蒸发、盐度升高时,这些微生物会产生红色素来光合作用,从而把湖面染成斑斓的色彩。站在湖边能闻到淡淡的硫磺味,那是地壳深处岩浆活动的余温与盐碱水反应的气息。
这片对大多数生物来说是致命陷阱的水域,却是火烈鸟的天堂。全球约 75% 的小火烈鸟都在这里出生,湖中心的盐滩是天然的防御屏障,让土狼等天敌无法靠近。之所以说这里有石化传说,是因为极高的碱度能防止尸体腐烂,导致溺亡在湖里的鸟类或蝙蝠钙化,风干后像极了灰色的石雕。不少摄影师曾在这里拍出具有视觉冲击力的静谧照片,但实际上它们只是被高盐环境保存下来的生物标本。
去纳特龙湖的路不算好走,甚至可以说非常考验车技和脊椎。从阿鲁沙(Arusha)出发大约需要 6 到 7 小时的车程。过了纳姆安尼(Namanyere)之后,柏油路就彻底消失了,取而代之的是漫长的碎石路和搓板路。租车的话务必选择性能良好的四驱越野车,且备胎一定要足,因为路面尖锐的岩石碎片极易割破轮胎。一路上尘土飞扬,建议带好口罩或头巾。虽然路途辛苦,但沿途能看到地道的马赛(Maasai)牧民在荒原上赶羊,这种原始感在常规旅游线路上很难见到。
这边的收费项目比较杂,不提前搞清楚很容易产生误会。进入纳特龙湖所在的恩加雷塞罗(Engare Sero)村庄通常需要缴纳多项费用。首先是村委会收取的管理费,每人大约 10 到 20 美元,具体取决于在那停留的时间。其次是野生动物管理区(WMA)的门票,大约是每人每天 10 美元左右。如果想去看湖里的火烈鸟或去瀑布徒步,还必须雇佣当地马赛向导,费用通常在 20 美元到 40 美元不等。这些费用建议全部准备好美元现金,因为当地基建落后,基本没法刷卡或使用电子支付。
湖边矗立着东非著名的活火山——伦盖火山(Ol Doinyo Lengai),马赛语意为上帝之山。这座山海拔 2962 米,是世界上唯一喷发碳酸盐岩浆的火山。徒步通常在午夜时分开始,为了躲避白天山谷里近 40 摄氏度的高温,也为了在山顶迎接日出。坡度非常陡峭,部分路段几乎是 45 度角甚至更斜。爬上去大概需要 6 小时,下来也得 4 小时左右。因为地面铺满了松软的火山灰,每走一步可能都会往下滑半步,这绝对是一场硬核的体力挑战。
在燥热的碱湖边待久了,去附近的恩加雷塞罗瀑布(Ngare Sero Waterfall)泡个澡是极好的消暑选择。这条路线需要溯溪而上,有些地方水深会没过膝盖。大概步行半小时就能看到从峡谷裂缝中倾泻而下的淡水瀑布。这里的泉水清凉透彻,与湖里的碱水形成鲜明对比。穿一双防滑的溯溪鞋非常重要,因为水里的石头布满了青苔,赤脚走很容易摔倒或被划伤。
建议选择在 6 月到 10 月的旱季前往。这段时间雨水少,湖水蒸发后盐度更高,湖面呈现出的红色最为浓郁,同时也是火烈鸟聚集孵化的黄金期。11 月到次年 5 月是雨季,道路泥泞可能导致车辆陷入泥潭,且湖水被稀释后颜色会变淡。
绝对不能在纳特龙湖里游泳。湖水 pH 值接近 12,且在极端高温下水温能超过 60 摄氏度,强碱性液体会迅速灼伤皮肤和眼睛。如果想玩水,只能去附近的恩加雷塞罗淡水瀑布,那里的溪流是安全的,也是当地人洗浴和取水的地方。
强力防晒霜和宽檐帽是必备品,这里的紫外线强度比阿鲁沙高出许多。另外要多带几瓶饮用水,当地气温常年保持在 35 摄氏度以上。如果打算拍摄火烈鸟,起码要准备 400mm 以上的长焦镜头,因为碱湖边缘土质松软,人无法走近,只能在岸边远距离抓拍。
村子里有几家由当地社区经营的露营地和小木屋,条件相对简陋。好一点的帐篷营地每晚价格在 150 美元左右,通常包含餐饮。这里的电力主要依靠太阳能,晚上通常会限时供电,建议提前给手机和相机备好充电宝,并做好没有手机网络信号的心理准备。
Enish Rai I visited Lake Natron while climbing Ol Doinyo Lengai. What initially was a side trip during my Ol Doinyo Lengai climb became one of the highlights of the trip. It is a half-hour ride from the nearby Engoserai village. We hired motorbikes with locals and rode there. The road is sandy, and the bike tires kept slipping, so it's recommended to go in a four-wheeler. We saw wildlife such as zebras, monkeys, and giraffes on our way. The lake was unlike any other. It is one of the most dangerous lakes due to its high alkalinity, which makes it the perfect spot for flamingos. It was a treat for the eyes to visit the lake during sunset, watching thousands of pink flamingos with Ol Doinyo Lengai in the backdrop. A must-visit if you are in that region.
Admission Lake Natron is a unique and intriguing body of water located in East Africa, primarily in the East African Rift Valley, straddling the border of Tanzania and Kenya. It is renowned for its distinctive characteristics and extreme natural conditions, making it a place of scientific interest and a subject of fascination for nature enthusiasts.
Lomelock Laizer Lake natron is amazing place for refreshing your mind, characterised with flamingos, waterfalls, and old oldonyo lengai beautiful mountain. Without for getting the most nice and beautiful culture of maasai society
kelvin Sinodya Lake Natron is the nice place to visit, it's the home of millions of flamingos. There many things to do around. NAIKURUKURU ! This is natural swimming pool with tillapia fish which survive in that small stream of water .The Tillapia fish can do massage when you swimming inside the pool, it's the very nice experience. Also the nice site to view thousand and thousands of flamingos bird's. Kelvin.
kelvin Sinodya (Lake Natron Flamingos) Lake Natron flamingos is inviting you to explore the scenic of this beautiful lake with different folks of birds, many bird are flamingos in this lake, simply because of nature of the lake it support there lives here.Lake natron is alkaline lake Which produce enough food for them,this is Algae(blue & green).