Can I take a large group?

Yes! Day trips are fully customizable to suit the needs of any private group. From solo travelers to large families with children and even corporate groups, we are ready to create a bespoke itinerary that accommodates parties of all sizes. The price is dependent on the number of vehicles required to serve your group, and we also provide child seats.

Will my driver speak English?

Your friendly, professional, local driver will speak English. Our drivers are happy to provide any local insight they can on the way to your destination and may be able to answer questions and provide tips for the best possible experience on your day trip.

Can I request children’s car seats for the journey?

Yes, we provide car seats for children of all ages, which meet stringent safety standards and local legal requirements. You can even bring your own car seat. We also have handicapped-accessible vehicles available for a wide range of needs for our passengers. When booking your day trip, please specify the accommodations you will need.

Can I pay securely online?

Yes, Daytrip offers flexible payment options. We accept Google Pay, Apple Pay, and Ali Pay. You also can pay securely online with any major credit card, such as Visa, Mastercard, or American Express.

Booking your day trip is as easy as our one-way and return trips! On the landing page of the day trip you’d like to take, simply select the date, pick up time, and how many adults and children will be on the trip. On the second page, you’ll fill in personal details, including any special requests, disability accommodations, and children’s car seats you may need. We are flexible too! You can change your exact pick-up location (hotel address, etc) up to 24 hours before your day trip.

Day trips Countries Slovenia KoperKoper to Grotta Gigante and Postojna Cave: Day trip

Koper to Grotta Gigante and Postojna Cave: Day trip

Scenic view of Koper - private day trip from Koper - photo 1

Scenic view of Koper - private day trip from Koper - photo 2

Scenic view of Koper - private day trip from Koper - photo 3

Scenic view of Koper - private day trip from Koper - photo 4

1 / 4

Private ride with a local driver

7h 30m

Round trip

Private driver

Trusted by 1+ million happy travelers across 120 countries

4.9

Tripadvisor Travelers’ Choice 2025

4.9

5176
Reviews

About your trip

Descend into two separate subterranean marvels on a day that bridges nations and reveals nature’s awe-inspiring depths!

Exclusively yours: private vehicle and professional driver

Discover local insights you won't find in guidebooks

Experience the freedom to explore at your own speed

Perfectly planned for families, friends, or solo travelers

From €129

Private group ride

per person

Select date and travelers

Free cancellation up to 24 hours before your pickup time.

For a group of 1-3 travelersTotal€387

What to expect

Your day trip begins wherever you are

Meet our professional driver right where you prefer in Koper whenever suits you best. No time wasted getting to the pickup point, grab your bag and start your trip right away.

Discover more with local expertise

Your driver’s local insights will set the tone for your day trip. A hidden café here, a must-try restaurant there; insider tips you’ll love sharing later. This isn’t a guided tour but your ride will be rich with stories and discoveries along the way. And throughout the day, your driver will be available for you as needed, ready to assist, happy to help, making your trip stress-free.

Explore at your own pace

After arriving in Grotta Gigante, you'll have the freedom to explore its vast underground chamber before continuing on to Postojna Cave, where you can see the famous stalagmite formations and ride the underground train, all at your leisure. Meanwhile, your driver will wait for you nearby, ensuring a stress-free return trip.

Perfect for any private group

Whether you're traveling solo, as a family with kids, or as a large group, this service is tailored for your comfort and flexibility. It's the ideal option especially if you have limited time or a busy schedule.

Good to know

Two-way private car transfer
Air-conditioned vehicle
Personalized pickup and drop-off
Professional English-speaking driver
Complimentary bottled water
Free cancellation 24 hours before departure
Entry/Admission tickets to paid attractions Grotta Gigante and Postojna Cave should be purchased separately unless specified otherwise
Meals, snacks, and gratuity are not included

From €129

Private group ride

per person

Select date and travelers

Free cancellation up to 24 hours before your pickup time.

For a group of 1-3 travelersTotal€387

Your trip at a glance

Start in Koper

You choose the pickup spot.

Grotta Gigante

Feel free to explore at your own pace and discover

Stop: 2 h 30 min - admission not included

Itinerary stop at Grotta Gigante on private day trip from Koper

Delve into the mysterious depths of the world's largest tourist cave system, admiring incredible displays of ancient stalactites and stalagmites that get more dramatic as you descend.

What to see

• Intricate mineral formations and hidden caverns

• The massive main hall, the largest of its kind in Europe

What to do

• Descend 330 feet (100 meters) to see the surreal formations hidden in its chilly depths 

• Visit the family-friendly immersive science museum on the surface, offers fascinating insight into the cave’s geological history

What to bring

• The internal temperature is constantly around 52 degrees Fahrenheit (11 C), so pack a light jacket

Take note

• HOURS: Closed Mondays, Open for tours Tuesday through Sunday from 10:00-12:00 and 14:00-16:00

• Reservations are required; book online here: https://www.grottagigante.it/en/home/ 

Postojna Cave

Feel free to explore at your own pace and discover

Stop: 3 hours - admission not included

Itinerary stop at Postojna Cave on private day trip from Koper

Continue your subterranean journey by visiting Slovenia’s intriguing Postojna Cave, where geological formations mimic the mountains and rivers of the country above.

What to see

• Walking paths below the surface descend past intricate karst formations, murmuring springs, and winding rivers

• Aquarium exhibits housing unique cave-dwelling olms, often called “Baby dragons.”

What to do

• Take the underground train tour to explore the vast underground halls, including the fairytale-esque “Dance Hall” 

Take note

• Expect year-round cool temperatures in the caves

• Tickets must be purchased in advance: https://www.postojnska-jama.eu/en/tickets/ 

Back to Koper

We’ll take you back to your starting point.

Duration of the stops can be changed upon request after booking

Have questions or need help?Contact our Customer Support. We are available 24/7

Daytrip is loved all around the world. Here's why.

5.0

5176 reviewson Tripadvisor

4.9

991 reviewson Trustpilot

Amazing driver experience

Our driver, Ibrahim, was wonderful. He drove us from Amman airport to Petra. Our flight was one hour early and he was already waiting for us when we got to the exit of the airport. He was helpful, professional and friendly. We would definitely love to have Ibrahim again and highly recommend him!

Heidi IFebruary 27, 2026

Awesome experience! Highly recommend!

So, so happy I stumbled upon this website to book two private transports while visiting Lima, Peru. They were both one-way trips approximately 3 hours in length. Great communication as soon as everything was booked via email and I then downloaded their app. I had a few issues with the app and the customer service was awesome trying to assist me in getting it corrected. Honestly impressive customer service which gave you a positive feeling that you made the right choice. Both drivers were right on time - No issues whatsoever! Can't say enough about the service and ease of everything when travelling so far away. Great job to the daytrip team! Would strongly recommend.

okopFebruary 19, 2026

Touring through Tuscany

We had the same driver for our 2 day trip in tuscany. I was able to develop my own itinerary so I could go where we wanted and see the things we wanted. Marco was fantastic!! He opened doors for us and made sure my mother was able to get in and out of the car easily. He had water in the car for us. He was early picking us up both days and brought us as close to the towns as he could. He told us which way to go to enter the cities and then sent me his location so we knew how to get back to him after traveling the streets. Im so happy I decided to get a driver to take us through Tuscany. It took all the worry and anxiety of driving through this region I had never been to and didnt know where to park. Money well spent!

Melissa FFebruary 10, 2026

Great transfer option.

I used this service for a transfer from Split in Croatia to Perast Montenegro. My experience was exceptional. My driver Bojan was helpful, informative and ensured my journey was comfortable and enjoyable. I highly recommend the service.

Robyn COctober 2, 2025

It was a fantastic trip.

We were extremely satisfied with the quality of service we received from Day Trip. We had two Day Trip rides on August 31 from Athens to Lefkada and September 7 from Lefkada back to Athens. Both trips included stops at scenic sites in Greece. Both drivers were excellent and accommodating. However, we’d especially like to recognize Panos Peppas, who was our driver from Lefkada to Athens. Panos was incredibly nice & pleasant and delivered outstanding customer service, which included handling all of luggage, providing us with cold waters throughout the trip, providing us protein bars, providing us with printed materials on the Corinth Canal (one of scenic stops), looking up and providing us with terminal & gate info for our flight back home and providing us with a recipe for tzatziki.

Daydream20046758137September 20, 2025

Best transport company anywhere

We absolutely love this company and have used it many times over the years to get from A to B without the hassle of hiring a car ourselves. Excellent drivers every time. Efficient and professional. It’s worth every penny and we can honestly recommend Day Trip to everyone. It’s 5 star rating is well deserved.

Mary LSeptember 15, 2025

Excellent experience in traveling

We traveled from Nuremberg to Munich in a beautiful Audi. Driver picked us at our hotel at the exact time requested. Got us to Munich in plenty of time for our next tour. Driver made sure we were comfortable

Steve NAugust 20, 2025

Reasonably Priced and Safe Transportation

Gonzalo from daytrip was our driver and he was absolutely amazing. He went over and beyond trying to locate us as our service wasn't so good on our phones. He patiently awaited our arrival to the lobby so he could take us from Tulum Dreams Resort to our other hotel in cancun an hour and a half away near the airport prior to our departure flight home. He was polite, respectful and kind. Made sure we were comfortable during our long ride. Fast and to the point. I recommend this company as finding a one way ride from Tulum to Cancun isn't easy or cheap and this company provides a great service for a great price. I will definitely be using them again whenever I'm in the Cancun/Tulum area. Thank you DayTrip and Gonzola.

COCOApril 22, 2025

Daytrip never disappoints

We were picked up by Marianna to drive us from Heraklion to Chania. The weather was terrible & due to this Marianna arrived a few minutes late. She contacted me to advise of this. Marianna lives in Chana and she made our trip very interesting by informing us of local things to do and see in Chania. Marianna is a safe driver and we all felt comfortable with the speed she drove at and how good her driving was in heavy rain. She is a lovely person with fluent English. We highly recommend Daytrips and if you are in Heraklion or Chania please make sure you ask for Marianna.

5-star customer review for Daytrip private driver and tour services

Julie MApril 2, 2025

Great driver in Egypt

Used the service to go from Luxor to Hurghada, Egypt. Ahmed H was our driver and he was perfect. The car was new, clean, he had water and snacks for us, and accommodated our stops. Great service from him and would recommend it.

Maps315861February 28, 2025

See more reviews

Koper to Grotta Gigante and Postojna Cave: Day trip

Private ride with a local driver

About your trip

What to expect

Your day trip begins wherever you are

Discover more with local expertise

Explore at your own pace

Perfect for any private group

Good to know

Your trip at a glance

Your trip at a glance

Daytrip is loved all around the world. Here's why.

Explore similar trips from Koper

Frequently Asked Questions

More Day Trips

More Day Trips