Wiktionary
downhills
n. (plural of downhill English)
Usage examples of "downhills".
Flicker kept walking, picked up speed on the downhills and trudged up the climbs, an ox-road and as level as the road-builders could make it.
They have their regular roads and cross-roads, uphills and downhills, all laid out from fifty to seventy or a hundred feet aboveground, and by these they can travel even at night if necessary.