Joshua Tree国家公园11月中旬指南：公园全天开放，地质观光路因洪水临时关闭
位于加利福尼亚州河滨县与圣贝纳迪诺县交界的 Joshua Tree 国家公园全年每天24小时开放。美国国家公园管理局提醒，11月中旬去公园的居民有两处关闭信息要先知道。
第一处是地质观光路（Geology Tour Road）。公园近期遭遇大量降雨，这条路因洪水临时关闭，管理局请游客在公园其他道路上行车时同样小心。第二处是 Oasis of Mara 步道，遭遇严重洪水后，步道在绿洲以外的路段关闭。
管理局还有一条实用的提醒：一些第三方徒步应用给出的步道和安全信息不准确，查路线和安全信息请用管理局的官方应用，不要只靠第三方导航，公园内手机信号也很有限。
时间安排上，公园本身全天开放，各游客中心另有自己的开放时间，要分开计划。园内没有饮用水供应，水要进园之前带足。11月是公园的舒适季节，白天清朗、湿度低，秋季平均最高气温在85华氏度上下浮动，夜里明显转凉，过夜露营要带够保暖衣物。
近期园内活动可以顺带排上：11月13日（周五）傍晚6点到8点有观星活动（Astronomy Program），11月14日（周六）上午8点到10点有攀岩者咖啡（Climber Coffee）。去之前先在管理局官网确认当天的道路和步道状态，雨天过后关闭信息可能随时更新。
（来源：美国国家公园管理局）
Joshua Tree National Park in Mid-November: Park Open Around the Clock, Geology Tour Road Closed After Flooding
Joshua Tree National Park, which straddles Riverside and San Bernardino counties in California, is open 24 hours a day, every day of the year. The National Park Service advises visitors heading there in mid-November to note two closures first.
The first is Geology Tour Road. The park received a significant amount of rain, and the road is temporarily closed due to flooding; the Service asks visitors to use caution while traveling on all other roads in the park. The second is the Oasis of Mara Trail, which is closed past the Oasis after a heavy flooding event.
One practical warning comes with them: some third-party hiking apps are providing inaccurate trail and safety information, so visitors should rely on the official NPS app for route and safety information. Cell phone reception inside the park is very limited.
On timing, the park grounds stay open around the clock while visitor centers keep separate hours, so the two should be planned independently. No water is available in the park interior, so water must be carried in. November is a comfortable season in the park, with typically clear days and low humidity, fall average highs around 85F and nights turning cold, which calls for warm layers on overnight camping trips.
Two park programs fit the same trip: an Astronomy Program on Friday, November 13 from 6 to 8 p.m., and Climber Coffee on Saturday, November 14 from 8 to 10 a.m. Check the Service's current alerts before setting out, because post-rain closure information can change at any time.
(Source: National Park Service)
来源：美国国家公园管理局
发布：GSM·美国（发布链接）
图片来源：图：加利福尼亚州 Joshua Tree 国家公园里的约书亚树与巨石景观。照片：Tuxyso，CC BY-SA 3.0，经维基共享资源。 / Photo: Joshua trees and boulder formations in Joshua Tree National Park, California. Photo: Tuxyso, CC BY-SA 3.0, via Wikimedia Commons
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