Lake Timberline, Missouri

{{Use mdy dates|date=July 2023}}

{{Infobox settlement

|official_name = Lake Timberline, Missouri

|settlement_type = Census-designated place

|image_skyline =

|imagesize =

|image_caption =

|pushpin_map = Missouri#USA

|pushpin_label = Lake Timberline

|pushpin_label_position =

|pushpin_map_caption =

|coordinates = {{coord|37|59|45|N|90|32|44|W|region:US-MO|display=inline,title}}

|subdivision_type = Country

|subdivision_name = United States

|subdivision_type1 = State

|subdivision_name1 = Missouri

|subdivision_type2 = County

|subdivision_name2 = St. Francois

|subdivision_type3 = Townships

|subdivision_name3 = Big River

|established_title =

|established_date =

| area_footnotes = {{cite web|title=ArcGIS REST Services Directory|url=https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer|publisher=United States Census Bureau|accessdate=August 28, 2022}}

| area_total_sq_mi = 2.57

| area_land_sq_mi = 2.38

| area_water_sq_mi = 0.19

| area_total_km2 = 6.65

| area_land_km2 = 6.16

| area_water_km2 = 0.49

| area_water_percent =

| population_as_of = 2020

| population_footnotes =

| population_density_km2 = 117.87

|timezone = Central (CST)

|utc_offset = -6

|timezone_DST = CDT

|utc_offset_DST = -5

|elevation_footnotes =

|elevation_ft = 850

|postal_code_type = ZIP Code

|postal_code = 63628 (Bonne Terre)

|area_code = 573

|blank_name = FIPS code

|blank_info = 29-40222

|blank1_name = GNIS feature ID

|blank1_info = 2806427{{Cite gnis|2806427|Lake Timberline Census Designated Place}}

|website =

|footnotes =

|pop_est_as_of =

|pop_est_footnotes =

|population_est =

|population_total = 726

|unit_pref = Imperial

|population_density_sq_mi = 305.30

}}

Lake Timberline is an unincorporated community and census-designated place (CDP) in St. Francois County, Missouri, United States. The community is built around several reservoirs constructed in the valleys of Bee Run and Primrose Creek, southwest-flowing tributaries of the Big River, which in turn flows northwest to the Meramec River.

The community is in northern St. Francois County, bordered to the north by Jefferson County. It lies northwest of U.S. Route 67, {{convert|6|mi|0}} north of Bonne Terre, {{convert|19|mi}} southwest of Festus, and {{convert|53|mi}} southwest of St. Louis.

The community was first listed as a CDP prior to the 2020 census.