Little Lava Lake

{{Other places|Lava Lake (disambiguation)}}

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

{{Infobox body of water

| name = Little Lava Lake

| image = Little Lava Lake (Deschutes County, Oregon scenic images) (desDB3305).jpg

| caption =

| image_bathymetry =

| caption_bathymetry =

| location = Deschutes County, Oregon

| coords = {{coord|43.910394|N|121.756698|W|region:US-OR_type:waterbody|display=inline,title}}

| type = Volcanogenic, mesotrophic

| inflow = subsurface springs and occasional overflow from Lava Lake

| outflow = Deschutes River

| catchment = {{convert|18|mi2|km2}}

| basin_countries = United States

| length =

| width =

| area = {{convert|138|acre|ha}}

| depth = {{convert|8|ft|m}}

| max-depth = {{convert|20|ft}}

| volume = {{convert|1100|acre.ft|m3}}

| residence_time = 2 months

| shore = {{convert|2.8|mi|km}}

| elevation = {{convert|4744|ft}}

| islands =

| cities =

| frozen =

| pushpin_map = Oregon#USA

| pushpin_label_position =

| pushpin_map_alt = Location of Little Lava Lake in Oregon, USA.

| pushpin_map_caption =

| website =

| reference= {{cite book|last=Johnson|first=Daniel M.|author2=Petersen, Richard R. |author3=Lycan, D. Richard |author4=Sweet, James W. |author5= Neuhaus, Mark E., and Schaedel, Andrew L. | title=Atlas of Oregon Lakes|publisher=Oregon State University Press|location=Corvallis|year=1985|page=222|isbn=0-87071-343-4}}{{cite web|work=Atlas of Oregon Lakes|title=Little Lava Lake (Deschutes) |url=http://aol.research.pdx.edu/lakes/17070301000867|publisher=Portland State University|year=1985–2014|accessdate=July 3, 2014}}{{cite web | url ={{gnis3|1145198}} | title = Little Lava Lake | work=Geographic Names Information System|publisher = United States Geological Survey|date=November 28, 1980 |accessdate = July 25, 2012}}

}}

Little Lava Lake lies in the Cascade Range about {{convert|26|mi|km}} west-southwest of Bend in the U.S. state of Oregon. A close neighbor of Lava Lake, from which it is separated by solidified lava,{{cite web|title=Little Lava Lake Campground|publisher=Public Lands Interpretive Association|year=1997–2012|url=http://publiclands.org/explore/site.php?id=3956|accessdate=July 25, 2012}} Little Lava Lake is at an elevation of {{convert|4744|ft|m}} in the Deschutes National Forest. Generally considered the source of the Deschutes River, the lake covers {{convert|138|acre}} to an average depth of {{convert|8|ft|m}}.

Lava Lake, Little Lava Lake, and other nearby lakes formed after lava flows from Mount Bachelor altered drainage patterns in the area. Solidified lava flows are visible along the shorelines of both lakes, and the volcanic peaks Broken Top and South Sister can be seen to the north.