White Anglo-Americans originally used the area of Summerhaven when the U.S. Army at Fort Lowell in Tucson put a military camp there in its defense against the Apache in the 1870s and 1880s. As to white settlement of the vicinity, the Ransier School in Carter Canyon, run by Lydia Ransier and 'Auntie' Broadbent, had two cabins, the larger log one being built in 1912, "one of the oldest cabins on the mountain."
Geography
Summerhaven is located in the Santa Catalina Mountains and is surrounded by pine trees. According to the U.S. Census Bureau, the Summerhaven CDP has a total area of, almost all of which is land.
Climate
Due to its high elevation of, Summerhaven experiences moderately warm summers and cool snowy winters. Yearly snowfall averages can be significant, on average reaching a year. A windstorm hit Summerhaven in May 2010 and caused extensive damage to the forest around it. Some trails were severely damaged, although repair efforts were underway. The climate could be classified as a subtropical highland climate.
Demographics
In 2010, the population of the Summerhaven census-designated place was 40. Note that this includes only people who were living in Summerhaven on the day of the census, thus excluding many part-time or seasonal residents. As of the 2010 census, the racial composition of Summerhaven was:
Summerhaven is a popular tourist destination. Several small shops in Summerhaven attract visitors, including the Mount Lemmon General Store and The Cookie Cabin, which offers homemade cookies and pizzas. In the winter, residents from lower elevations travel to Summerhaven, when the Catalina Highway is open, to enjoy the snow. Also during the summer, the same residents will frequent the area to get away from the heat. Because of the elevation difference between the Tucson area, the temperature in Summerhaven will be anywhere from 15-30 degrees F cooler depending on weather patterns, which usually makes it a very comfortable place to be compared to the hot desert heat in the summer time. October 2010 saw the inaugural running of the Mount Lemmon Marathon, in which nearly 800 participants finished the race from near the start of the Catalina Highway up to Summerhaven.
The Mount Lemmon Ski Valley located outside Summerhaven is the southernmost ski location in the continental United States.
Aspen Fire
The Aspen wildfire struck Summerhaven in the summer of 2003, which resulted in the destruction of more than 250 of the 700 homes in the community. Arizona GovernorJanet Napolitano assessed the damage, and both federal and county officials surveyed the extensive loss. In the months that followed, Tucson residents organized "Lemmon Aid" to help rebuild Summerhaven. Summerhaven continues to recover from the wildfire.
City services
There is a general store and several food venues, but no gasoline or automotive services. The Mount Lemmon Fire Department maintains a station near Summerhaven, providing fire and EMS services.
