Between them they hold almost five billion gallons of water and supply up to a quarter of Northern Ireland ... reservoir manager" on NI Water for the reservoirs at Silent Valley and elsewhere.
Silent Valley Reservoir, a popular visitor site in the Mourne Mountains, was closed "until further notice" as Northern Ireland Water considers the potential impact of the weather. before accepting.
A majestic mountain range in Northern Ireland is a dream for ... the Mourne Mountains are the Cloughmore Trail and Silent Valley Reservoir.