Headwall Lake

{{Short description|Lake in the state of Idaho}}

{{Infobox body of water

| name = Headwall Lake

| image = Headwall Lake, White Cloud Mountains, Idaho.JPG

| caption =

| image_bathymetry =

| caption_bathymetry =

| location = Custer County, Idaho

| coords = {{coord|44.074340|-114.598370|format=dms|type:waterbody_region:US-ID|display=inline,title}}

| type = Glacial

| inflow = Snow melt

| outflow = Little Boulder Creek to East Fork Salmon River

| catchment =

| basin_countries = United States

| length = {{convert|840|ft|abbr=on}}

| width = {{convert|531|ft|abbr=on}}

| area = {{convert|7.0|acres|abbr=on}}

| depth =

| max-depth =

| volume =

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| shore =

| elevation = {{convert|9760|ft|abbr=on}}{{GNIS|383021|Headwall Lake}}

| islands =

| cities =

| pushpin_map = Idaho#USA

| pushpin_label_position =

| pushpin_map_alt = Location of Headwall Lake in Idaho, USA.

| pushpin_map_caption =

| website =

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}}

Headwall Lake is an alpine lake in Custer County, Idaho, United States, located in the White Cloud Mountains in the Sawtooth National Recreation Area. The lake is accessed from Sawtooth National Forest trail 683.Sawtooth National Forest. "Sawtooth National Forest" [map].1:126,720, 1"=2 miles. Twin Falls, Idaho: Sawtooth National Forest, United States Forest Service, 1998.

Headwall Lake is northwest of Merriam Peak and located in the lower section of the Boulder Chain Lakes Basin.