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Rudine and Biserujka cave
A small, lit show cave at 15 °C above the island's north-east tip, with a 30-minute trail down to Slivanjska cove.
Open this guide on The Krk Map
Rudine is a hamlet of five people (2021) in the north-east of Krk, and the reason to come is Biserujka: a short, well-lit cave with calcite columns and stalactites that stays around 15 °C all year. The time underground is short, so treat it as a hot-day or rainy-day hour for children, add the educational trail, and make the day with a swim and lunch in Soline bay 10–15 minutes away. Adults on their own may find it a long drive for a small cave.
When to come: April–October only (closed November–March).
What to do
Go underground in Biserujka
About 110 m of lit passage, 12–13 m deep at its lowest, through halls with calcite columns and stalactites; the air stays around 15 °C at 95% humidity. Open to visitors since 1998 in groups of up to 25. Bones of cave bears have been found inside, and the cave is home to six narrowly endemic species.
- Where
- 300 m north-north-west of Rudine
- When
- A hot day or a rainy day. 2026 hours: April and October 10:00–15:00; May–June 09:00–17:00; July–August 09:00–18:00; September 10:00–17:00.
- Time
- About 1 hour including the wait
- How
- Free gravel car park at the entrance. Adults EUR 7, children 3–12 EUR 5, under 3 free (2026). No pets.
Tip: Bring a jumper for the children; there is no café at the cave, so bring water. The cave-bear bones are the story that works with kids.
The educational trail to Slivanjska cove
A trail with five information panels leads from the cave down to Slivanjska cove, about 30 minutes of leisurely walking.
- Where
- From the cave to Uvala Slivanjska
- When
- After the cave, outside the midday heat
- Time
- 1 hour return
- How
- Starts at the cave.
Tip: The cove has little shade and no services; if it doesn't appeal, drive on to Soline bay for your swim.
Make it a day with Soline bay
Pair the cave with the warm shallows of Soline bay 10–15 minutes away: the sand at Komoriška for toddlers or the Meline mud, and lunch on the water in Klimno.
- Where
- Soline bay
- When
- Cave in the morning, bay after lunch
- Time
- A day
- How
- Short drive south from Rudine.
Tip: On a rainy week, pair the cave with the aquariums in Krk Town and Baška.
A half day here
- 09:00 Biserujka at opening (10:00 in April, September and October), before the midday groups.
- 10:45 The trail down to Slivanjska and back.
- 12:15 Lunch at Žal in Klimno or Lastura in Čižići.
- 14:30 Soline bay: Komoriška sand for toddlers, the Meline mud for the brave.
Where to eat and drink
- Restaurant Žal: Lunch on the water in Klimno, a short drive from the cave.
Where to swim
- Komoriška sand beach: Shaded sand for small children, 10–15 min away.
- Soline Bay: The mud beach, if the children are up for it.
Practical
Tickets, hours, contact
Adults EUR 7, children 3–12 EUR 5, under 3 free (2026). April and October 10:00–15:00, May–June 09:00–17:00, July–August 09:00–18:00, September 10:00–17:00. Groups: +385 98 211 630. Run by the Šiloturist agency in Šilo.
At the car park
Free gravel car park with a small gift shop, Ethno House Biser. No café: bring water and snacks.
Watch out
- A short visit for a long drive: best with children or on a rainy day, not a highlight in itself.
- Closed November–March.
Curated by Benjamin Haller and our guests · Facts checked 31 Oct 2026 · How this map is made
The Krk Map is made by Marim Luxury Villas, a family company that hosts guests in Stara Baška and Vrbnik. No place pays to be on it; partners and our curators’ own offers are marked. Our villas