In the 1840s and 1850s, there was a wave of new hill stations, with the main impetus being "places to rest and recuperate from the arduous life on the plains". In the second half of the 19th century, there was a period of consolidation with few new hill stations.
In the 1840s and 1850s, there was a surge of new hill stations, driven by "locations to rest and recover from life on the plains". In the latter half of the 19th century, there was a period of stabilization with minimal new hill stations.