This page shows the status of pennywort on the Upper Cam at the year end (December). Zoom into map and click on markers for more detail. See map key below.
Chilling video of kayakers pushing through the pennywort at pinch point 2 on upper Cam on 4 Dec 2016
Turquoise: Clear of floating pennywort at year end, but present during the year.
Orange: Occasional patches of floating pennywort.
Red: Frequent or continuous mats of floating pennywort.
Black markers: Completely covered by floating pennywort, at least once during the year.
Turquoise markers: Upper limit of floating pennywort.
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