Fly fish in the beautiful Pentland Hills near Edinburgh on Harlaw and Threipmuir reservoirs. Find a permit vendor outlet on the Day Permits page.
This reading is taken visually against the depth gauge on the dam wall. I think the the scale is measured in feet. Reservoir Vital Statistics.
Threipmuir is full and overflowing at the 2 mark.
Live readings for Harlaw water level can also be seen on the Harlaw Hydro website