Wet meadows in mountainous areas are important environments for the ecosystem services provided, mainly those associated with the water supply to local people. In the region of the Patagonian Andes wet meadows are spatially associated with rock glaciers and other related periglacial landforms. The aim of this work was to determine the hydrological significance of these geoforms as sustenance of wet meadows in La Hoya watershed, located in Northern Patagonian Andes. We carried out a geomorphological mapping of the depositional units, wetlands, springs and streams located in the area. During fieldwork, we checked and completed this information, together with sedimentological analysis of the morphosedimentary units and hydrodynamic and salinity measurements on streams and springs. Finally, we performed hydrogeological schemes to outline the geological and geomorphological controls regulating water flows and the development of wet meadows. Results obtained show a constant flow from rock glaciers and solifluction lobes towards wet meadows during the driest period. The principal contribution of water comes from snowmelt and rain, constituting a short and intermediate-term water input. Rock glaciers and solifluction lobes constitute effective water storage depositional units, and the groundwater discharged from these landforms is constant, even during the dry season, which keeps wet meadows moist and evergreen year-round.

山区湿草甸是提供生态系统服务的重要环境，主要是与当地人民供水相关的生态系统服务。在巴塔哥尼亚安第斯山脉地区，湿草甸在空间上与岩石冰川和其他相关的冰缘地貌有关。这项工作的目的是确定这些地形作为位于巴塔哥尼亚安第斯山脉北部的拉霍亚流域湿草甸的水文意义。我们对位于该地区的沉积单元、湿地、泉水和溪流进行了地貌测绘。在实地工作期间，我们检查并完成了这些信息，同时对形态沉积单元进行了沉积学分析，并对溪流和泉水进行了水动力和盐度测量。最后，我们执行了水文地质方案，以概述调节水流和湿草甸发展的地质和地貌控制。获得的结果表明，在最干燥的时期，从岩石冰川和溶流裂片向湿草甸的恒定流量。水的主要贡献来自融雪和降雨，构成了短期和中期的水输入。岩石冰川和积水裂片构成了有效的蓄水沉积单元，从这些地貌排出的地下水即使在旱季也是恒定的，这使得湿润的草甸常年保持湿润和常绿。水的主要贡献来自融雪和降雨，构成了短期和中期的水输入。岩石冰川和积水裂片构成了有效的蓄水沉积单元，从这些地貌排出的地下水即使在旱季也是恒定的，这使得湿润的草甸常年保持湿润和常绿。水的主要贡献来自融雪和降雨，构成了短期和中期的水输入。岩石冰川和积水裂片构成了有效的蓄水沉积单元，从这些地貌排出的地下水即使在旱季也是恒定的，这使得湿润的草甸常年保持湿润和常绿。