Black Mountain Side is a Sativa-dominant strain among many phenotypes of Girl Scout Cookies, crossed with Durban Poison and OG Kush. This flower boasts potent aromas and flavours of lemon, diesel and skunk. The flower is milled and rolled into light-weight paper cones complete with a paper filter. Black Mountain Side is a Sativa-dominant strain among many phenotypes of Girl Scout Cookies, crossed with Durban Poison and OG Kush. This flower boasts potent aromas and flavours of lemon, diesel and skunk. The flower is milled and rolled into light-weight paper cones complete with a paper filter.