Last updated: November 10, 2026.
Data collected
This site requires no account and does not directly collect personal data. If you email us, your address and message are only used to reply to you.
Cookies and consent
On your first visit from the European Economic Area, the United Kingdom or Switzerland, a consent message (a consent management platform certified by Google) lets you accept or refuse advertising and audience measurement cookies. Until you accept, none of these cookies are set. Your choice is stored in a cookie, and you can change it at any time with the “Cookie settings” link at the bottom of every page. From other countries, these cookies are active by default.
Advertising (Google AdSense)
This site displays ads provided by Google. Google and its partners may use cookies or identifiers to serve ads, personalized or not depending on your choice, and to measure their performance.
Learn more: how Google uses data from partner sites. You can also manage ad personalization at adssettings.google.com.
Audience measurement (Google Analytics)
We use Google Analytics 4 to count visits and see which pages are useful. Its cookies (_ga) are only set with your consent in the countries listed above, and last no longer than 13 months. Google Analytics 4 does not store IP addresses.
Preferences saved on your device
Some features use your browser’s local storage (the language you choose, hidden alerts). This data stays on your device and is never sent to us.
Maps
The interactive maps load the MapLibre library (cdnjs), OpenFreeMap base maps and Amazon Web Services elevation data (Terrain Tiles). These servers receive your IP address as with any web resource. Maps only load when you display them.
Your rights
Under the GDPR, you have the right to access, correct and delete data concerning you, and to object to its processing. Contact: contact@trekgr.com. You may also lodge a complaint with the CNIL (the French data protection authority).