Review · POSTOJNA & PREDJAMA CAVE TRIPS

Shore Excursion/Private – Postojna Cave and Ljubljana from Koper

5.0 · 4 reviews 8 to 9 hours (approx.) From $687 Operated by Istranka Tours · Bookable on Viator
Book on Viator →

Postojna Cave feels like another planet. This private day from Koper pairs Postojna Cave with Ljubljana in one smooth, full-day plan, and I love that you get port pickup plus a guide who helps you make the most of limited time. The big catch is practical: the cave stays around 46 F, and you should be ready to walk about 2 miles on a winding path.

The logistics are also unusually easy for a cruise day. You’re in an AC van, you don’t have to hunt for meeting points, and you’re set up for a 2-hour city walk that includes major landmarks like the Franciscan Cathedral and Town Hall. The only drawback to keep in mind is you need a moderate fitness level, since most of the “work” happens inside Postojna.

Key Highlights at a Glance

Shore Excursion/Private - Postojna Cave and Ljubljana from Koper - Key Highlights at a Glance

  • Door-to-door pickup in Koper and nearby towns saves time before you even start sightseeing
  • Postojna Cave at a steady 46 F means you should pack a jacket even in summer
  • About 2 miles of cave walking on winding paths, with anti-slip flooring
  • A 2-hour Ljubljana walking tour focused on Franciscan Cathedral and Town Hall
  • Private group format up to 3 makes it feel tailored, not rushed

Why Postojna Cave and Ljubljana Fit Perfectly Into One Cruise Day

Shore Excursion/Private - Postojna Cave and Ljubljana from Koper - Why Postojna Cave and Ljubljana Fit Perfectly Into One Cruise Day
If you only have one day in Slovenia, this combo makes a lot of sense. Postojna Cave is the headline attraction, famous for its long cave routes and striking rooms, while Ljubljana is a smaller, walkable capital that you can actually enjoy without feeling like you’re sprinting from stop to stop.

I like that the day is built around real time blocks: 1 hour 30 minutes inside the cave, then about 2 hours in Ljubljana. That structure matters because it reduces the usual cruise-excursion stress. You’re not guessing how much time you’ll have for photos, coffee, or a last-minute stop.

The private setup also changes the vibe. Instead of waiting for a big group, you move as one unit, and the guide can adapt pacing to your questions and pace. That is a big deal when your day is capped at about 8 to 9 hours.

Getting There Smoothly: Pickup From Koper and Your Return Back

The biggest “value” win here is that you avoid the usual scramble. If you’re on a cruise, the pickup point in Koper is at the kiosk named ISTRANKA TOURS at the cruise terminal. From there, you’re routed into a private tour with transportation in an AC van, then dropped back at the end of the activity.

If you’re not on a cruise and you’re staying along the coast, pickup is available from hotels and accommodations in Portorož, Piran, Izola, Koper, Ankaran, and coastal countryside. If you stay somewhere else, you’ll need to provide your accommodation location when booking so the operator can confirm the pickup fit.

Two practical notes I’d treat as non-negotiable:

  • Wear shoes you can trust. You’ll do significant walking inside the cave.
  • Plan to eat on your schedule. Food and drinks aren’t included, so you’ll want to know where you’ll grab lunch or snacks.

Postojna Cave: What to Expect From the Cold, the Walking, and the Rules

Shore Excursion/Private - Postojna Cave and Ljubljana from Koper - Postojna Cave: What to Expect From the Cold, the Walking, and the Rules
Postojna Cave is hands-on sightseeing. One part is dramatic scenery, but the other part is physical reality: the cave stays at around 46 F, and it’s not a quick stroll. You should dress accordingly because that temperature can feel chilly even if it’s warm outside.

You’ll also walk around 2 miles over a winding path. The good news is that the walking surface in the cave is covered with anti-slip material. The not-so-fun news is that winding routes and the need for steady footing mean you shouldn’t treat this as casual walking.

Timing-wise, the cave visit is 1 hour 30 minutes with the admission ticket included. That’s a sweet spot for a must-see attraction: long enough to feel you’ve gotten your money’s worth, short enough to still enjoy Ljubljana afterward.

One more rule you should plan around: photography and video-taping are not allowed in the caves. That means you’ll want to relax your phone habits and focus on the experience. If you love to take photos, accept that you’ll have to do it before or after the cave, not during.

Walking Ljubljana: Franciscan Cathedral, Town Hall, and a Smart City-Stop Plan

Shore Excursion/Private - Postojna Cave and Ljubljana from Koper - Walking Ljubljana: Franciscan Cathedral, Town Hall, and a Smart City-Stop Plan
Ljubljana is the kind of capital you can enjoy on foot. It’s described as one of Europe’s greener capitals, and the architecture leans into Baroque style. With about 2 hours on the ground, you’ll get the highlights without burning your whole afternoon.

The walking tour includes major stops such as the Franciscan Cathedral and the Town Hall. Even if you’re not a hardcore architecture fan, these landmarks give you quick context for the city’s style and identity. They’re easy to orient to, so you don’t feel lost between buildings.

A guide also helps you turn “seeing” into “understanding.” The tour is led by a driver or licensed guide, and the point is not just narration. It’s time management too, so you have room to explore and do a bit of shopping.

Here’s a bonus detail worth knowing if your timing lines up: on Fridays in spring, there can be a food festival at lunchtime, so you may get a chance to sample local cuisine and beers. It’s not something you can count on every day, but it’s the kind of local event that makes Ljubljana feel lived-in.

How the Day Stays Manageable in 8 to 9 Hours

At first glance, 8 to 9 hours can sound like a lot, but the itinerary is designed to keep you moving with breaks built in.

You’ll be split between two different environments:

  1. Postojna Cave, where you’re walking steadily on a winding route, in a controlled cold temperature around 46 F.
  2. Ljubljana, where you’re walking a focused city route with key landmarks, then you get time to browse.

Because food and drinks are not included, I’d treat lunch as your planning challenge. You’ll want to either:

  • Eat before the tour starts, if your pickup is earlier, or
  • Plan on buying something in Ljubljana during your city time.

Also, dress code is smart casual, which works well as a general rule, but remember you’ll still need a warm layer for the cave. A light jacket or sweater is typically the kind of adjustment that makes the cave visit feel comfortable rather than miserable.

Fitness level matters. The tour asks for moderate physical fitness. If you know you struggle with long walking on uneven or sloped ground, Postojna is the place to assess honestly. The anti-slip cave flooring helps, but the route is still a winding path.

Price and Value: What You Pay For With a Private Group

The price is listed at $687.60 per group, up to 3 people. That sounds high if you compare it to mass tours, but the value is different.

Here’s what you’re really paying for:

  • Private transportation in an AC van for your group
  • Port or hotel pickup and drop-off, so you don’t lose time figuring things out
  • Entrance fees to Postojna Cave included
  • A licensed guide and a walking tour in Ljubljana
  • Basic accident insurance, along with organization and VAT

When you break it down this way, the cost becomes easier to justify, especially if you’re traveling as a small group and want to avoid waiting. Two passengers can often share the cost, and the private format means you’re not stuck behind slower walkers or dragged along by a rigid group pace.

If you’re traveling solo, the price per person can feel steeper than a group tour. If you can share with one or two people, it starts to look like strong value for a full-day, two-location program with smooth logistics.

Practical Tips That Make This Excursion Feel Easy

These are the details that will help you have a better day, fast.

Bring the right layers

  • Expect around 46 F in the cave, so pack a warm layer.
  • Smart casual works, but plan for warmth rather than fashion.

Wear solid shoes

  • You’ll walk roughly 2 miles on a winding path.
  • Anti-slip cave flooring helps, but your shoe grip still matters.

Keep your phone away during the cave

  • No photography or video-taping is allowed inside the caves.
  • That rule changes how you experience the space, so prepare for the fact that your best memories might be mental, not camera-based.

Plan food yourself

  • Food and drinks aren’t included.
  • If you want lunch, build in time to grab something in Ljubljana during the city portion.

Use the private pacing to your advantage

If your guide is managing the schedule well, you’ll likely get time for shopping and casual exploration rather than a hard rush. That’s part of why a private format works on a cruise day.

Who This Private Tour Works Best For

This is a great fit if:

  • You want a full day but don’t want the stress of multiple public transport steps.
  • You’re traveling as a couple or small family group up to 3.
  • You appreciate guided context, especially in a cave environment and around landmark buildings.
  • You’re comfortable with moderate walking and you can handle cold temperatures.

It’s not ideal if:

  • You dislike cold spaces or you’re sensitive to temperature changes.
  • You have trouble walking 2 miles over a winding route.
  • You’re hoping to take lots of photos inside the cave, since photography and video are not allowed.

Should You Book This Koper to Postojna Cave and Ljubljana Tour?

I’d book it if you want the most important Slovenia highlights packed into one day, without the typical logistics hassle of a cruise stop. The private pickup and drop-off, plus the fact that Postojna Cave admission is included, makes it feel efficient and fair.

But decide based on the cave reality. If you’re good with walking about 2 miles and you’re willing to dress for around 46 F, this tour can be a standout day. If those two points sound like a struggle, look for an alternate plan with less walking or fewer indoor constraints.

If you do go, show up ready with warm layers and comfortable shoes, then let the guide handle the timing while you enjoy both the cave wonder and Ljubljana’s compact, landmark-focused charm.

FAQ

How long is the Postojna Cave and Ljubljana shore excursion?

It runs about 8 to 9 hours.

Is this tour private?

Yes. It’s a private tour/activity, and only your group participates.

What languages is the tour offered in?

The tour is offered in English.

Where is the pickup point for cruise passengers in Koper?

Pickup for guests from cruises in Koper is at the kiosk ISTRANKA TOURS at the cruise terminal.

Is pickup available from hotels?

Yes. Pickup is available from hotels or accommodations in Portorož, Piran, Izola, Koper, Ankaran, and the coastal countryside (you’ll provide your stay at booking).

What is included in the price?

Included are port or hotel pick-up and drop-off, transportation with AC van, driver or licensed guide, Postojna Cave entrance fees, and a Ljubljana walking tour. Basic accident insurance, organization, and VAT are also included.

Is food included?

No. Food and drinks are not included.

What should I wear for Postojna Cave?

The cave temperature is around 46 F. Dress accordingly, and plan for moderate cold.

Can I take photos or video in the cave?

No. Photography and video-taping are not allowed in the caves.

What are the cancellation terms?

You can cancel for free up to 24 hours in advance for a full refund.

More like this

Postojna & Predjama Cave Trips, compared.

The full Postojna & Predjama Cave Trips list →
Postojna Cave & Predjama Castle Tickets and Tour
★★★★★★★★★★4.9· 2,146 reviews· from $115

Postojna Cave & Predjama Castle Tickets and Tour

Read our review →
Postojna Cave and Predjama Castle – Entrance Tickets Included
★★★★★★★★★★5.0· 938 reviews· from $131

Postojna Cave and Predjama Castle – Entrance Tickets Included

Read our review →
Slovenia in One Day: Lake Bled, Postojna Cave and Predjama Castle
★★★★★★★★★★5.0· 879 reviews· from $151

Slovenia in One Day: Lake Bled, Postojna Cave and Predjama Castle

Read our review →
Lake Bled & Postojna Cave with Entry Tickets
★★★★★★★★★★4.8· 694 reviews· from $173

Lake Bled & Postojna Cave with Entry Tickets

Read our review →
From Trieste: Postojna Cave & Predjama Castle
★★★★★★★★★★4.8· 444 reviews· from $133

From Trieste: Postojna Cave & Predjama Castle

Read our review →
Lake Bled, Postojna Cave, and Predjama Day Tour
★★★★★★★★★★4.8· 250 reviews· from $117

Lake Bled, Postojna Cave, and Predjama Day Tour

Read our review →
Postojna Cave and Predjama Castle Tour
★★★★★★★★★★4.9· 247 reviews· from $81

Postojna Cave and Predjama Castle Tour

Read our review →
Postojna Cave, Predjama Castle, & Piran Tour
★★★★★★★★★★5.0· 244 reviews· from $128

Postojna Cave, Predjama Castle, & Piran Tour

Read our review →
Scroll to Top

Explore Slovenia

Every kind of day out, and the best of each.