Mount Thyestes

{{Short description|Mountain in British Columbia, Canada}}

{{Infobox mountain

| name = Mount Thyestes

| photo = Mount Thyestes.jpg

| photo_caption = Mount Thyestes, northeast aspect

| elevation_m = 1697

| elevation_ref = {{cite bivouac|id=727|name=Mount Thyestes|access-date=2019-11-10}}

| prominence_m = 187

| prominence_ref =

| range = Tantalus Range
Coast Ranges

| parent_peak = Mount Niobe (2021 m)

| listing = Mountains of British Columbia

| country = Canada

| region_type = Province

| region = British Columbia

| district = New Westminster Land District

| part_type = Protected area

| part = Tantalus Provincial Park

| map = British Columbia#Canada

| map_caption = Location in British Columbia##Location in Canada

| map_size = 270

| label_position = right

| mapframe = yes

| mapframe-zoom = 8

| mapframe-caption = Interactive map of Mount Thyestes

| coordinates = {{coord|49|45|17|N|123|13|02|W|type:mountain_region:CA_scale:100000|format=dms|display=inline,title}}

| coordinates_ref =

| topo_maker = NTS

| topo_map = {{Canada NTS Map Sheet|92|G|14}}

| type =

| age =

| first_ascent = 1942 by R. McLellan, F. Roots, H. Parliament

| easiest_route = Scramble

}}

Mount Thyestes is a {{Convert|1697|m|ft|abbr=off|adj=on}} mountain summit located in the Tantalus Range, in Tantalus Provincial Park, in southwestern British Columbia, Canada. It is situated {{convert|4|km|mi|0|abbr=on}} immediately west of Brackendale, {{convert|7|km|mi|0|abbr=on}} northwest of Squamish, and {{convert|10.7|km|mi|0|abbr=on}} southeast of Mount Tantalus, which is the highest peak in the Tantalus Range. Its nearest higher peak is Omega Mountain, {{convert|2.4|km|mi|0|abbr=on}} to the northwest, and Mount Pelops lies {{convert|3.6|km|mi|0|abbr=on}} to the west-northwest.{{cite peakbagger|37216|Mount Thyestes, British Columbia|access-date=2019-11-10}} Precipitation runoff from the peak drains into tributaries of the Squamish River. The first ascent of the mountain was made in 1942 by R. McLellan, H. Parliament, and F. Roots. The mountain was named for Thyestes, son of Pelops and grandson of Tantalus according to Greek mythology.  The mountain's name was officially adopted on June 6, 1957, by the Geographical Names Board of Canada.{{cite cgndb|id=JBHWL|name=Mount Thyestes|access-date=2019-11-10}}