Lower Lake of Coo – temporarily closed from 23 November to 18 December 2026.
Engie (Coo power station) has informed us of works that will affect access to the Trois-Ponts blue route from 23 November until mid-December.
The affected area is between KM 7.5 and KM 8.7 (see map below).
Two closure periods are planned:
> From Monday 23 November at 6.00 am to Friday 27 November at 6.00 pm: the section of road between the downstream embankment (on the Plopsa Coo side) and the junction with the Trois-Ponts blue Extratrail route, at the 70 kV high-voltage power line, will be closed.
> From Tuesday 1 December at 6.00 am to Friday 18 December at 4.00 pm, excluding weekends: this same section of road will be completely closed to the public.
A Securitas security guard will also be on site to monitor access.
However, access will be permitted every weekend, from Friday at 4.00 pm to Monday at 6.00 am, during this second period only.
Trail running should remain a pleasure and a source of good health.
To ensure your own safety and that of the site workers, we ask that you strictly observe these access restrictions during the periods in question.
Engie has informed us that they are doing everything possible to minimise disruption and thank you for your understanding and cooperation.
As for Extratrail, we will be looking into the possibility of creating a diversion. We will keep you informed as to whether this can actually be put in place.
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