2.6K views · 148 reactions | "Upwelling Current" – While it is a back eddy and there is depth, on so many trout waters we simply do not see many trout holding in such locations when there are strong upwelling boils. The exception is later summer when these locations see lower water and that upwelling subsides to allow trout not to exert too much energy to hold here. Become a social media supporter. https://www.patreon.com/jensenflyfishing. | Jensen Fly Fishing | Facebook