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Terms

The information on this site is general guidance. Water temperatures and climate figures are long-term averages, not a forecast and not a safety assessment. Lakes can be cold, deep and dangerous: always check local conditions, signs and rules before swimming, boating or walking on ice.

Data is used under the licences listed on the data sources page.

Affiliate links. Some links on this site are affiliate links. If you book or buy through them we may earn a commission, at no extra cost to you. Which partners appear never depends on what the data says: the numbers are the same with or without them.

Who publishes this site: see Contact.

The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves or dark skies?

Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit
lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.You are here
mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Visit islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.Visit riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit
cavesCavernyasEvery cave with its real depth and length: the rock above, the temperature inside all year, and how to visit.Coming soonVisit
dark skiesDarkskyasWhere the night is still dark: the sky of every place, the Milky Way month by month, the Moon, eclipses and auroras.Coming soonVisit