Waterbury Reservoir, Vermont
– Perfect valley for a town of playable size and villages scattered throughout the highlands.
– One main highway running through the river valley and several smaller national roads with outside connections at the end of the map.
– If you plan on having a 500k population metropolis built here you may want edit the map and add bigger highways.
The screenshots are taken with “Daylight Classic mod”, “Realistic Warmer LOD” and “Disable Clouds mod”, which are essentials for every Skylines player, so you probably have them although you may want to try out different combinations of mod settings for best visual result.