Winchester Lake State Park

{{Short description|State park in Idaho, United States}}

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

{{Infobox park

| name = Winchester Lake State Park

| photo = Winchester_Lake_dock_and_geese.jpg

| photo_caption =

| photo_alt = Lake

| photo_width = 280

| map = USA Idaho#USA

| map_caption = Location in Idaho##Location in the United States

| map_width = 280

| relief = 1

| label = Winchester Lake State Park

| label_position = right

| location = Winchester, Idaho, United States

| coordinates = {{coord|46.235934|-116.627558|format=dms|display=inline,title}}

| coords_ref =

| area = {{convert|418|acre|abbr=on}}

| elevation = {{convert|3900|ft|m|abbr=on}}

| established = 1969

| free_label =

| free_data =

| visitation_num =

| visitation_year =

| visitation_ref =

| administrator = Idaho Department of Parks and Recreation

| website = {{Official website}}

| embedded =

}}

Winchester Lake State Park is a public recreation area covering {{convert|418|acre}} on the southern edge of Winchester in Lewis County, Idaho, United States. The state park surrounds {{convert|104|acre|ha|adj=on}} Winchester Lake at the base of the Craig Mountains. Fish in the lake include rainbow trout, perch, bass, and bluegill. Common wildlife includes white-tailed deer, Canada geese, muskrats, bald eagles, Columbian ground squirrels, and raccoons.