Howlock Mountain

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

{{Infobox mountain

| name = Howlock Mountain

| photo =

| photo_caption =

| elevation_ft = 8401

| elevation_ref = {{NAVD88}}{{cite web |url=https://www.peakbagger.com/peak.aspx?pid=2437 |website=peakbagger.com |title=Howlock Mountain - East Peak, Oregon |access-date=2021-12-03}}

| prominence_ft = 876

| prominence_ref =

| location = Douglas and Klamath counties, Oregon, U.S.

| map = USA Oregon

| map_caption = Location in Oregon

| map_size = 240

| range = Cascades

| coordinates = {{coord|43.192243131|N|122.039211397|W|type:mountain_region:US-OR_scale:100000_source:NGS|format=dms|display=inline,title}}

| range_coordinates =

| coordinates_ref = {{cite ngs |pid=PC0811 |name=Walker Peak=Howlock Mtn |access-date=2016-04-29}}

| topo = USGS Mount Thielsen

| volcanic_arc = Cascade Volcanic Arc

| last_eruption = Pleistocene

| type = Shield volcano

| age =

| first_ascent =

| easiest_route =

}}

Howlock Mountain is a heavily eroded shield volcano in the Cascade Range of central Oregon, located along the Cascade Crest just north of Mount Thielsen. Ice Age glaciers eroded away most of the flanks of the volcano, leaving numerous deep cirques{{cite book |last=Purdom |first=William B. |title=The Geologic History of the Diamond Lake Area - Umpqua National Forest - Douglas County Oregon |publisher=United States Forest Service and Douglas County Park Department |year=1964 |url=http://www.nps.gov/history/history/online_books/geology/publications/state/diamond_lake_geology/index.htm}} surrounding a central ridge capped by several horns. The summit of Howlock Mountain lies along the border between Douglas County and Klamath County.