There have been multiple reports of Blue-Green Algae on lakes across Haliburton County this month. Although no sightings have been reported on Raven Lake,  the Coalition of Haliburton Property Owners Association has provided information about what to look for and what to do if you see any. Details are here: https://www.cohpoa.org/lake-health-3/algae-and-algal-blooms/