Závažná Poruba - Opalisko
No snow yet. Snow depth and the seven-day outlook appear once snow is on the ground or forecast.
A weather-model figure, worked out the same way for every ski area, and lower than what actually falls. Use it to compare ski areas, not against the resort’s own totals. How we measure →
- Elevation
- 674–957 m
- Across
- 1.1 km
We do not show a snow depth here. The weather model we use reports snow lying on the ground — it knows nothing about grooming or snowmaking, and it is not the base depth a ski area publishes. In Japan we can check our figures against 234 weather stations. Outside Japan there is nothing to check them against, so we do not print a number we have not verified.
Závažná Poruba - Opalisko, in Slovakia, runs from 674 m at the base to 957 m at the top. Its mapped area is about 1.1 km across, with 10 marked runs and 5 lifts (about 3.2 km of piste in all).
Over the last twelve winters the ERA5 weather model gives it 118 cm of snowfall a season, 2,117th (tied) of 3,069 worldwide and 22nd in Slovakia. It swings a lot from year to year: the biggest winter, 2018/19 (176 cm), brought more than 3 times as much as the leanest, 2024/25 (53 cm). January is usually the snowiest month, with about 37 cm.
How much snow it gets
Modelled from weather data the same way at all 3,069 ski areas we cover. These are not the resort’s own published figures.
Compared with what is nearby
Within 50 km in a straight line. Ski areas in the same weather-model cell (about 30 km across) get the same figure.
| Ski area | Distance | Seasonal snowfall | World rank |
|---|---|---|---|
| SKI centrum Demänová | 4.2 km | 106 cm | 2301 |
| Chopok Jasná | 9.6 km | 138 cm | 1829 |
| Skicentrum Žiar-Dolinky | 11.0 km | 129 cm | 1976 |
| Jasna Low Tatras | 11.0 km | 138 cm | 1829 |
| Chopok Juh | 13.0 km | 138 cm | 1829 |
Runs and lifts
Counted from the runs and lifts drawn on OpenStreetMap, within the boundary of the ski area. These are not the resort’s own published figures.
Run map
Slope shape, difficulty and lift types
The shape of the mountain
Which way the slopes face
92% of the vertical on the runs descends to the north or east. Those slopes get the least sun, so the snow lasts longer.
By difficulty
Lift types
- Platter3
- Rope tow1
- Chairlift1
See past trail maps on Skimap.org ↗
Source: OpenSkiMap (© OpenStreetMap contributors, ODbL 1.0). How finely ski areas are drawn varies by region, so treat the counts as indicative. Vertical is the difference between the highest and lowest points of the mapped runs and lifts.
When it falls, and how winters differ
Month by month
The most snow falls in January. March brings 49% of January’s snowfall. That is a gentler fall than the median for ski areas in Slovakia (40%). In amount, March brings 18 cm, more than the median of 12 cm.
Winter by winter
Across the 12 winters measured, the average is 118 cm, and 6 of them fell short of it. The leanest was 2024/25 with 53 cm; the biggest was 2018/19 with 176 cm (3.3 times as much).
Snowfall each winter (December–March total). The dashed line is the average; the numbers mark the leanest and the biggest winter.
Map
The weather map, and where it sits among nearby ski areas.
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