Grass Mountain (Benton County, Oregon)

{{Short description|Mountain in Oregon, United States}}

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

{{Infobox mountain

| name = Grass Mountain

| photo =

| photo_caption =

| elevation_ft = 3607

| elevation_ref = {{NAVD88}}{{cite web |url=https://www.peakbagger.com/peak.aspx?pid=16460 |title=Grass Mountain, Oregon |access-date=2021-12-03}}

| prominence_ft = 2163

| prominence_ref =

| map = Oregon#USA

| map_caption = none

| location = Benton County, Oregon, U.S.

| range = {{unbulleted list |Central Oregon Coast Range |Oregon Coast Range}}

| coordinates = {{coord|44.4240095|N|123.6728853|W|type:mountain_region:US-OR_scale:100000_source:GNIS|format=dms|display=inline,title}}

| range_coordinates =

| coordinates_ref = {{cite gnis |id=1142956 |name=Grass Mountain |access-date=2014-12-29}}

| topo = USGS Grass Mountain

| first_ascent =

| easiest_route =

}}

Grass Mountain is a {{convert|3607|ft|adj=on}} tall mountain in the Central Oregon Coast Range in the U.S. state of Oregon. Located in Benton County, it is the second highest peak in the Central Coast Range.{{cite web |website=peakbagger.com |url=https://www.peakbagger.com/range.aspx?rid=rid=12221 |title=Central Oregon Coast Range |access-date=2021-12-03}}

The Oregon Department of Forestry built {{convert|40|ft|0|adj=on}} lookout tower on the summit in 1935. It was decommissioned and dismantled in 1968.{{cite summitpost |id=272222 |name=Grass Mountain (OR) |accessdate=2014-12-29}}