Marchlyn Mawr (Q3403893)

matcher place: Wales (relation 58437), Gwynedd (relation 77961), Snowdonia National Park (relation 287245), Gwynedd (relation 297286), Llanddeiniolen (relation 11265972)
view on Wikidata
Wikipedia: English, Norwegian Nynorsk, Welsh
Wikimedia Commons
English Wikipedia categories: Gwynedd geography stubs, Llanddeiniolen, Reservoirs in Gwynedd, Reservoirs in Snowdonia

Overpass query: show query – Overpass Turbo

[timeout:300][out:json];
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    rel(around:1000,53.13667,-4.06917)["man_made"="storage_tank"][name];
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out center tags;

Summary from English Wikipedia (enwiki)

Marchlyn Mawr reservoir is a high level lake in Snowdonia behind Elidir Fawr mountain. It is used as the high level water source for Dinorwig power station, a closed-loop pumped storage hydroelectric generating facility.

Summary from Cymraeg / Welsh Wikipedia (cywiki)

Cronfa ddŵr yng Ngwynedd yw Marchlyn Mawr neu Llyn Marchlyn Mawr. Saif ar lethrau Elidir Fawr, ac mae'n cael ei ddefnyddio fel rhan o'r system gynhyrchu trydan yng Ngorsaf Bŵer Dinorwig. Mae'r orsaf bwer yma yn defnyddio trydan ar adegau pan nad oes cymaint o alw amdano i bwmpio dŵr o Llyn Peris islaw i fyny i'r Marchlyn Mawr. Pan fo mwy o alw am drydan, mae'r dwr yn cael ei ollwng yn ôl i lawr i gynhyrchu trydan. Oherwydd hyn mae lefel y llyn yn amrywio yn fawr. Mae Afon Marchlyn Mawr, sy'n llifo o'r llyn, yn ymuno ag Afon Ogwen ger Bethesda.

Wikidata location: 53.1367, -4.0692 view on OSM or edit on OSM

matches

found a single match candidate

way: Marchlyn Mawr (OSM)exact location match [show tags]

name: Marchlyn Mawr
water: reservoir
source: OS_OpenData_StreetView
natural: water
wikidata: Q3403893
wikipedia: en:Marchlyn Mawr

wikidata match: Q3403893

Search criteria from Wikidata

view with query.wikidata.org

reservoir (Q1047832)	man_made=storage_tank
reservoir (Q131681)	landuse=reservoir, water=reservoir
body of water (Q15324)	natural=water
cultural heritage (Q210272)	heritage, protect_class=22, historic=heritage
lake (Q23397)	water=lake
product (Q2424752)	product
artificial lake (Q3215290)	water=reservoir

Search criteria from categories

Reservoirs in Gwynedd	man_made=reservoir_covered, landuse=reservoir, water=reservoir
Reservoirs in Snowdonia	man_made=reservoir_covered, landuse=reservoir, water=reservoir