Tonduff

{{short description|Mountain in County Wicklow, Ireland}}

{{Use dmy dates|date=November 2020}}

{{Use Irish English|date=November 2020}}

{{Infobox mountain

| name = Tonduff

| native_name = {{Native name|ga|Tóin Dubh|paren=omit}}

| photo = Tonduff, Wicklow, Ireland.jpg

| photo_caption = Tonduff East Top (near) and Tonduff (far) as seen from the summit of Maulin

| elevation_m = 642

| elevation_ref = {{cite web|url=http://mountainviews.ie/summit/206/|title=Tonduff|publisher=MountainViews Online Database|accessdate=11 July 2019}}

| prominence_m = 117

| prominence_ref =

| listing = Hewitt, Arderin, Simm, Vandeleur-Lynam

| location = County Wicklow, Ireland

| range = Wicklow Mountains

| map = island of Ireland

| map_relief = yes

| map_caption = Location in Ireland

| translation = Black bottom

| language = Irish

| coordinates = {{coord|53.161294|N|6.267332|W|display=title, inline|region:IE_type:mountain_source:GNS-enwiki}}

| topo = OSi Discovery 56

| type = Granite with microcline phenocrysts Bedrock

| age =

| grid_ref_Ireland = O159136 | grid_ref_Ireland_ref=

| first_ascent =

| easiest_route =

}}

File:Bog, Tonduff.jpg]]

Tonduff ({{irish place name|Tóin Dubh|black bottom}}){{cite web|url= http://www.mountaineering.ie/_files/Paul%20Tempan%20Irish%20Mountain%20Placenames%20-%20Feb%202012.pdf|title=Irish Hill and Mountain Names|publisher=MountainViews.ie|author=Paul Tempan|date=February 2012}} at {{convert|642|m|ft}}, is the 169th–highest peak in Ireland on the Arderin scale,{{cite web|url=https://mountainviews.ie/lists/arderin/|title=Arderins: Irish mountains of 500+m with a prominence of 30m|publisher=MountainViews Online Database|author=Simon Stewart|date=October 2018}} and the 202nd–highest peak on the Vandeleur-Lynam scale.{{cite web|url=https://mountainviews.ie/lists/vandeleur-lynam/?PHPSESSID=6lpes93lcdlq890dprmqqu4dn6|title=Vandeleur-Lynams: Irish mountains of 600+m with a prominence of 15m|publisher=MountainViews Online Database|author=Simon Stewart|date=October 2018}}Mountainviews, (September 2013), "A Guide to Ireland's Mountain Summits: The Vandeleur-Lynams & the Arderins", Collins Books, Cork, {{ISBN|978-1-84889-164-7}} Tonduff is in the far northeastern section of the Wicklow Mountains, in County Wicklow. The main flat summit is sometimes listed as Tonduff North, while the subsidiary summit, Tonduff East Top {{convert|593|m|ft}}, is sometimes listed as Tonduff South.{{cite book | last1 = Fairbairn | first1 = Helen | title = Dublin & Wicklow: A Walking Guide | publisher = Collins Press | isbn = 978-1848892019 | year = 2014}} Tonduff East Top has a prominence of only {{convert|15|m|ft}}, which just qualifies it as an Arderin Beg.{{cite web|url=https://mountainviews.ie/lists/arderinall/|title=Arderins + Arderin Begs: Irish mountains of 500+m with a prominence of 15+m|publisher=MountainViews|author=Simon Stewart|date=2018|quote=Listing selection: All summits (531) in list Arderins + Arderin Begs}} A bog on the western slopes of Tonduff, the Liffey Head Bog, forms the source of the River Liffey; bogs on the southern slopes of Tonduff, forms the source of the River Dargle.{{cite book | last1 = Dillion | first1 = Paddy | title = The Mountains of Ireland: A Guide to Walking the Summits | publisher = Cicerone | isbn = 978-1852841102 | year = 1993 |quote=Walk 2: Tonduff and Kippure}}

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