Mynydd Perfedd

{{Use dmy dates|date=April 2022}}

{{Infobox mountain

| name = Mynydd Perfedd

| photo = Mynydd Perfedd.jpg

| photo_caption = Mynydd Perfedd seen from Foel-goch

| elevation_m = 813

| elevation_ref =

| prominence_m = 20

| listing = sub Hewitt, Nuttall

| language = Welsh

| location = Gwynedd, Wales

| range = Glyderau

| coordinates = {{coord|53.136609|N|4.05792|W|format=dms|region:GB_source:enwiki-osgb36(SH623619)|display=inline,title}}

| grid_ref_UK = SH623619

| topo = OS Landranger 115, OS Outdoor Leisure 17

| first_ascent =

| easiest_route = Walk

}}

Mynydd Perfedd is a mountain in Snowdonia, Wales, forming part of the Glyderau. The summit has a shelter cairn, offering good views of Foel-goch's north-eastern face, and the Carneddau.Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. {{ISBN|1-85284-304-7}}.

File:Mynydd Perfedd, as seen from the ridge along Elidir Fawr, above the reservoir, with the Carneddau in the background.jpg

Between it and Carnedd y Filiast, there are dramatic cliffs to the east, including the famous Llechen Cytrolar. To the south lies the parent peak Elidir Fawr, to the west Carnedd y Filiast and to the east Foel-goch and Y Garn. It is {{convert|812|m|ft}} high. The average annual temperature of the mountain is about 6 Celsius.{{cite web |url=http://www.mountaindays.net/mountains/peak.php?defn=0&area=50&peak=1986 |title=Mountaineering & Rock Climbing in the UK: Mynydd Perfedd |accessdate=2008-04-08 |last=Crocker |first=Chris |author2=Graham Jackson |work=Database of British Hills |publisher=Mountain Days.net |archive-url=https://web.archive.org/web/20110719132358/http://www.mountaindays.net/mountains/peak.php?defn=0&area=50&peak=1986 |archive-date=2011-07-19 |url-status=usurped }}