Hillsdale Lake

{{Use mdy dates|date=February 2025}}

{{Infobox body of water

|name = Hillsdale Lake

|image = Hillsdale Lake Marina.jpg

|caption = Hillsdale Lake Marina

|image_bathymetry = Map of Miami Co, Ks, USA.png

|caption_bathymetry = KDOT map of Miami County (legend)

|location = Miami County, Kansas

|coords = {{coord|38|39|24|N|94|54|34|W|format=dms|type:waterbody_region:US-KS_source:gnis|display=inline,title}}

|type = Reservoir

|inflow = Big Bull Creek

|outflow = Big Bull Creek → Marais des Cygnes River → Osage River

|catchment =

|basin_countries = United States

|agency = U.S. Army Corps of Engineers

|date-built =

|date-flooded =

|length =

|width =

|area = {{convert|4580|acre|ha|abbr=on}}

|depth =

|max-depth = {{convert|57|ft|m|abbr=on}}

|volume =

|residence_time =

|shore =

|elevation = {{convert|917|ft|m|abbr=on}}

|frozen =

|islands =

|cities = Hillsdale, Paola, Spring Hill, Edgerton

| pushpin_map = Kansas#USA

| pushpin_label_position =

| pushpin_map_alt = Location of Hillsdale Lake in Kansas, USA.

| pushpin_map_caption =

| website =

|reference = {{cite GNIS|485186|Hillsdale Lake|January 15, 2021|October 13, 1978}}

}}

Hillsdale Lake is a reservoir located in the northwestern part of Miami County, in northeast Kansas and the central United States; it is approximately {{convert|30|mi|km|abbr=on}} from Kansas City. The surface area of the lake is approximately {{convert|4580|acre|km2|abbr=on}}, and the lake has a maximum depth of approximately {{convert|57|ft|m|abbr=on}}.

Hillsdale Dam, impounding the Big Bull Creek to create the V-shaped reservoir, was completed in 1982 as a flood control project of the United States Army Corps of Engineers.{{Cite web |url=http://www.hwqp.org/overview/projectgoals.htm |title=Project Goals |access-date=2012-07-21 |archive-url=https://web.archive.org/web/20100221003227/http://www.hwqp.org/overview/projectgoals.htm |archive-date=2010-02-21 |url-status=dead }} Fix link* The reservoir has a normal storage capacity of 76,000 acre-feet.{{Cite web |url=http://findlakes.com/hillsdale_lake_kansas~ks82201.htm |title=Hillsdale Lake |access-date=2012-07-21 |archive-date=2012-11-02 |archive-url=https://web.archive.org/web/20121102074321/http://findlakes.com/hillsdale_lake_kansas~ks82201.htm |url-status=dead }} No hydroelectric power is generated by the earthen dam. Recreational facilities include Hillsdale State Park, opened in 1994.{{Cite web|url=http://kdwpt.state.ks.us/news/State-Parks/Locations/Hillsdale|title = Hillsdale}}