Lost Pass

{{Short description|Mountain Pass in the Olympic Mountains}}

{{Refimprove|date=November 2006}}

{{Infobox mountain pass

| name = Lost Pass

| photo =

| photo_caption =

| elevation_ft = 5571

| elevation_ref = {{cite gnis|1522502|Lost Pass}}

| location = Jefferson County, Washington,
United States

| range = Olympic Mountains

| coords = {{coord|47.8067566|N|123.341565|W|type:pass_region:US-WA_source:gnis|format=dms|display=inline,title}}

| coordinates_ref =

| topo = USGS Wellesley Peak

}}

Lost Pass is a mountain pass crossed by hiking trail in the Olympic Mountains of the state of Washington. It is located on a high ridgeline that separates headwaters of the Dosewallips River from those of the Lost River, just to the west of Lost Peak in the Olympic National Park.