Callaghan is a new neighbourhood in south west Edmonton, Alberta, Canada. It is bounded on the south by 30 Avenue SW and on the east by James Mowatt Trail (111 Street) and the Blackmud Creek Ravine. The north boundary is approximately 21 Avenue SW. Also known as Heritage Valley this new community will house the last leg of the LRT station. The developers designed the area to appeal to the first ime home owner to the move up families and now will be incorporating adult bungalows at the very south end of the community. The east side of Hertiage Valley sides onto the old nine hole golf course.KENNEDY Real Estate your Edmonton REALTOR� source for local Edmonton Real Estate and Callaghan Homes For Sale.