Where the data comes from
- Paths, parking, buses and walker counts: Eryri National Park Authority.
- Fares and timetables: Sherpa'r Wyddfa.
- Live weather: Open-Meteo (no sign-up, no tracking).
- Maps: OpenStreetMap contributors (route lines and map tiles), shown with Leaflet.
- Busyness and "best day" ranking: our own guide, based on Eryri's 2025 walker counts. It is not an official rating.
- Figures last checked 20 October 2026.
- Eryri National Park AuthorityPaths, parking, walker counts
- Sherpa'r WyddfaFares and timetables
- Open-MeteoLive weather
- OpenStreetMapRoute lines and map tiles
Not official advice
Independent planning aid, not affiliated with Eryri National Park Authority. Mountain conditions change fast: check official forecasts and turn back if in doubt.
Frequently asked questions
Is this an official Eryri site?
No. It is an independent free planner. Every figure links to its official source, mostly Eryri National Park Authority.
Do you show live parking availability?
No. Check JustPark for Pen y Pass. We only show published prices and rules.