About the data
Where everything on this site comes from, and the licence each source is used under.
Never published: traveller ages, heights, weights and citizenship; booking confirmations and contacts; prices paid; inbox captures; the research tree.
Sources
OpenStreetMap
Open Database Licence (ODbL) 1.0
Contains information from OpenStreetMap contributors, made available under the Open Database Licence.
Used for: The place catalog, trail and route lines derived from OpenStreetMap, and geocoding through Nominatim.
Wikidata
CC0 1.0 (public domain dedication)
Coordinates and identifiers from Wikidata.
Used for: Place coordinates, elevations and identifiers resolved when a place is added.
Government of Canada open data
Open Government Licence - Canada
Contains information licensed under the Open Government Licence - Canada.
Used for: Canadian parks, trails and boundary data where used.
US National Park Service
Public domain (US government work)
Information from the US National Park Service.
Used for: US national park facts, trails and alerts.
opendata.swiss
Open use (terms vary by dataset; attribution required for some)
Swiss open government data from opendata.swiss, used under each dataset's terms.
Used for: Swiss trail and transport data where used.
Open-Meteo
CC BY 4.0
Weather data by Open-Meteo.com.
Used for: Forecasts and historical weather shown on plan pages.
Copernicus Climate Change Service, via Open-Meteo
Copernicus licence (free, attribution required)
Generated using Copernicus Climate Change Service information, delivered through Open-Meteo.
Used for: Reanalysis behind the historical weather figures.
Natural Earth
Public domain
Made with Natural Earth.
Used for: Country outlines and the base geography of the globe.
geoBoundaries
Per country (mostly CC BY 4.0 or ODbL)
Administrative boundaries from geoBoundaries; the licence of each country's layer applies.
Used for: States, provinces and districts on the globe.
Wikimedia Commons
Per image (Creative Commons licences or public domain)
Photographs from Wikimedia Commons; the author and licence of each image are on its Commons page.
Used for: Photographs on cards, place pages and plan galleries.
Frankfurter and the European Central Bank
Free use; ECB euro foreign exchange reference rates
Exchange rates are ECB reference rates served by Frankfurter, shown with their date.
Used for: Currency conversion for display only.
Our own words
Written for this site; not licensed for reuse
Notes, summaries and plans on this site are our own writing.
Used for: Place notes, trip plans and research summaries.