Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Routes
Places to see
Lakes
United Kingdom
Wales
South Wales

Onllwyn

The Top 5 Lakes around Onllwyn

Looking to visit the best lakes around Onllwyn? After all, there’s nothing better than the serenity of the lakeshore — or a quick dip when the weather’s warm. So, browse our list of Onllwyn’s top lakes below as recommended by the komoot community, and experience more on your next adventure!

Last updated: October 28, 2025

Craig-y-Nos Country Park and Castle

Highlight • Lake

Nestled on the banks of the River Tawe, this 40-acre (16 ha) Victorian country park is managed by the Brecon Beacons National Park authority and contains the Grade II-listed Craig-y-Nos …

Tip by

See hikes here

Send to Phone

Save

Crossing the moorland from Rhigos towards Aberdare is a network of gravel forest roads.

Great in the sun, but not so good with the wind in your face, it's an …

Tip by

Save

Sign up now to discover places like this

Get recommendations on the best single tracks, peaks, & plenty of other exciting outdoor places.

Sign up for free

Lluest-wen Reservoir Dam Wall

Highlight • Structure

Lluest-wen Reservoir was constructed in 1898, but came to national attention in 1969 when a major leak caused an evacuation of residents down-valley while emergency repair work was carried out. …

Tip by

Save

At the far point of the Skyline trail is a viewpoint where you can look out into the Brecon Beacons, and hopefully (on a clear day) catch a glimpse of the National Park's highest peak – Pen y Fan.

Tip by

Save

If approaching from NW very Rocky decent from Forest road to reservoir

Tip by

Save

Loading

Most popular routes around Onllwyn

Cycling around Onllwyn

Most popular attractions around Onllwyn

Waterfalls

Get inspired with the komoot mobile app

With a free komoot account, you can easily find, customize, and navigate endless outdoor adventures around London and beyond.

or

Join komoot Now

Explore more

Still not found your perfect lake around Onllwyn? Check out the guides of these regions to see even more beautiful places.

YstradfellteCrayMaescarTalybont-On-UskLlanfrynachLlangynidrGlyn TarellLlanwrtyd WellsBreconCeredigionLlangattockCrickhowellCarmarthenshireMawrPontarddulaisLlanrhidian HigherPen TranchTrevethinLlanfihangel Cwmdu With Bwlch And CathedineLlangorsLlanddewPembrokeshireTalgarthAbersychanCymer And GlyncorrwgGwynfi And CroeserwNew InnSwanseaGowertonPontlliw And TircoedGrovesend And WaungronLlwchwrPenllergaerGorseinonTawe-UchafBedwas Trethomas & MachenRadyr and MorganstownPonthirLlywelAbercarnRisca WestThe Vale Of GrwyneyPontprennauCyncoedPentwynWhitchurchFelin-FachCoedffrancNewbridgeCrumlinLlantarnamLlanyrafonUpper CwmbranCwmbran CentralFairwaterHenllysRisca EastLlanrhidian LowerLlangennith, Llanmadoc And CheritonRhondda Cynon TafMonmouthshireCathaysRhiwbinaLlandaff NorthHeathLlanishenPenylanRoathGlynneathIlstonMumblesPennardUpper KillayHonddu IsafLisvaneKillaySkettyPentyrchPontnewyddCroesyceiliogPontymoilePantegLlangyfelachCockettPenderryYstradgynlaisBronllysRudryYnysdduCrosskeysBlaengwrachOld St MellonsAber ValleyTrallongYscirCardiffTongwynlaisResolvenPenyrheol Trecenydd & EnerglynPelennaDunvantDyffryn ClydachMargamPort TalbotSandfields EastMargam MoorsAberavonBrynTai-BachMynyddbachBon-Y-MaenClydachLlansamletLandoreBirchgroveMorristonCaerphillyBlaenavon

Get ready to conquer new peaks

Sign up for Free

Explore
RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepacking
Download the app
Follow Us on Socials

© komoot GmbH

Privacy Policy