Where to see
Natrix natrix
Białowieża National Park leads · 10 parks ranked by real sighting rates
Share of wildlife watchers reporting a grass snake during a day in the park, from citizen-science data (GBIF)
| # | Park | Country | Sighting |
|---|---|---|---|
| 1 | Białowieża National Park | 🇵🇱 Poland | |
| 2 | Biebrza National Park | 🇵🇱 Poland | |
| 3 | Hortobágy National Park | 🇭🇺 Hungary | |
| 4 | Triglav National Park | 🇸🇮 Slovenia | |
| 5 | Gauja National Park | 🇱🇻 Latvia | |
| 6 | Plitvice Lakes National Park | 🇭🇷 Croatia | |
| 7 | Kiskunság National Park | 🇭🇺 Hungary | |
| 8 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 9 | Fertő-Hanság National Park | 🇭🇺 Hungary | |
| 10 | Tatra National Park | 🇸🇰 Slovakia |
Białowieża National Park
In Białowieża National Park, Poland, about 80% of wildlife watchers report a grass snake sighting on a given day, the highest of the 10 parks where we can rate it, from GBIF citizen-science data.
Biebrza National Park and more
After Białowieża National Park, the next-best odds of seeing a grass snake are in Biebrza National Park (Poland, about 50%), Hortobágy National Park (Hungary, about 50%) and Triglav National Park (Slovenia, about 50%).
It depends on the park
In the top parks, the best months are September in Białowieża National Park (about 90%), September in Biebrza National Park (about 80%) and April in Hortobágy National Park (about 70%), as the share of wildlife watchers who report a grass snake on a given day. Each park's grass snake page has the full month-by-month chart.
