REVIEW · RIVER KAYAKING
Slunj: River and Waterfalls Kayaking on Mrežnica river
Waterfalls turn this river trip into play. This four-hour outing from Hotel Mirjana & Rastoke takes you into the Primišlje section of the Mrežnica River, where clear turquoise water, small falls, canyon walls, swimming stops, and optional jumps keep the pace lively. You paddle about five kilometers, with transport, equipment, guides, and photos included.
I like the mix of gentle paddling and real adventure, since you can swim and enjoy the river without needing advanced kayaking skills. I also like the guides’ warm, careful approach. Tomas, Nacho, and Pat have each received special praise for being patient, friendly, and helpful. The main consideration is that the trip is not a quiet float. You will need to paddle, follow safety instructions, and decide how comfortable you are around waterfalls and jumping points.
At $76 per person, this is a fair price if you want a half-day activity with transport and nearly all the gear provided. It is less appealing if you are only looking for a short swim or a peaceful nature walk. The river is the star here, and the best parts happen in the water.
Quick take: what makes this trip worth considering

- A five-kilometer stretch of Mrežnica: You pass through the especially scenic Primišlje section, known for clear water, waterfalls, and places to stop for a swim.
- Optional jumps at Milkovića slap: The biggest waterfall on the river offers jumps listed at about 5 and 9 meters, while recent trip accounts also describe jumps of 3 and 7 meters. Heights can vary with the route and conditions.
- A true half-day outing: The activity lasts four hours, including two 20-minute van rides and about two and a half hours on the river.
- Good equipment coverage: Boats, paddles, neoprene clothing and shoes, barrels, life jackets, helmets, transport, guides, and photos are included.
- Suitable for children from age six: This depends on the water level, so families should confirm conditions before booking.
- A refreshing summer choice: Swimming and cool river water make this especially attractive on hot days, though you still need sunscreen and a towel.
From Hotel Mirjana to the Mrežnica canyon

Your day begins at Hotel Mirjana & Rastoke, a practical meeting point near Slunj. The guides welcome you there, explain how the trip works, and organize the equipment before taking you to the river.
The van ride to Primišlje takes about 20 minutes. That transfer matters because the outing is not simply a paddle from the hotel. You begin at a section of the Mrežnica selected for its falls, clear water, and natural setting, then return by van after the river section ends.
At the start, you receive your boat and paddling gear, along with neoprene clothing and shoes, a life jacket, helmet, paddle, and barrel. The barrel gives you a place to keep belongings that need protection from the water, but I would still pack light and avoid bringing anything valuable.
The guides then go through the safety procedure. Pay attention here, especially if you have never kayaked on moving water. You need to understand how to handle the boat near small falls, how to follow instructions, and what to do before deciding on a jump. The trip is designed to be accessible, but it is still an active river outing rather than a sightseeing cruise.
More River Kayak Tours in Croatia
- Zrmanja River: Half-Day Guided Kayaking Tour Near Zadar
★ 4.8 · 1,817 reviews - Kayaking on Upper Mreznica River – Slunj, Croatia
★ 5.0 · 178 reviews - Zadar: Zrmanja River Kayaking, with optional transfer from Zadar
★ 4.5 · 166 reviews
The Primišlje section: five kilometers of clear water

The main paddle covers about five kilometers through the Primišlje part of the Mrežnica. This is the heart of the experience. The river is described by its turquoise water, untouched surroundings, and repeated waterfalls, with plenty of spots for swimming and relaxing.
You will not spend the whole time paddling hard. The appeal comes from the changing rhythm. One moment you are guiding your boat through calm water, then you are approaching a small drop, stopping for a swim, or watching another section of the river open up ahead.
The water also gives the outing much of its summer appeal. On a hot day, you can cool off during the swimming stops instead of simply sitting in a kayak under the sun. Bring sunscreen, even though the canyon may offer some shade, and pack a towel for the end.
The natural setting is a major reason to choose this trip. There are no city sights or formal attractions along the route. You are there for the river itself, the green canyon, the sound of falling water, and the chance to spend several hours outdoors. One recent account even describes seeing turtles, though wildlife sightings are not guaranteed.
Milkovića slap and the jump choices

The most memorable section comes after the first waterfall, when the route reaches Milkovića slap, described as the largest waterfall on the Mrežnica. This is where the outing shifts from scenic kayaking to a more physical adventure.
You may have the chance to jump into the deep water from a height of about 5 or 9 meters. Recent trip details also describe jumps from 3 and 7 meters, so you should treat the exact options as dependent on water level, safety conditions, and the setup on the day.
The jumps are optional. You do not need to leap from a high ledge to enjoy the river, and a sensible guide should help you understand the choice before you make it. If you are unsure, start with the lower option, or simply stay in the water and watch.
This part is important when deciding if the trip suits your group. Confident swimmers and people who enjoy a little adrenaline will likely remember Milkovića slap as the highlight. If you dislike heights, you can still paddle, swim, and enjoy the falls, but the group may spend some time around the jump area.
The water below the falls is described as deep and refreshing. Still, listen carefully to the guide and use the provided safety equipment. Never assume that a jump is safe simply because someone else has done it. River levels and conditions can change.
Small waterfalls, swimming stops, and a magical camp

After the larger waterfall, the route continues through more small falls and calm stretches. Paddling over or near the smaller drops adds a bit of excitement without turning every minute into a major challenge.
The river also offers several places for swimming and recreation. These breaks help balance the active parts of the tour. You can cool down, enjoy the clear water, and take in the canyon instead of rushing from one obstacle to the next.
The route finishes near a camp on the Mrežnica, at a bridge. The camp is described as magical, which fits the sense that the river section ends in a quiet, scenic place rather than at a busy attraction. From there, the van takes you back to Hotel Mirjana & Rastoke in about 20 minutes.
Photos are included, and one recent booking account says the photos and videos arrived by email the same evening. That is a useful bonus, since cameras and phones are awkward to manage around kayaks, waterfalls, and swimming stops. Confirm the exact photo delivery process with the guide on the day, but you should have a chance to leave the equipment at home and enjoy the water.
Same water, a different day out on it:
- Dubrovnik: Sea Kayaking&Snorkelling Guided Day/Sunset Tours
★ 4.9 · 2,869 reviews - Dubrovnik: Sea Kayaking & Snorkeling Tour
★ 5.0 · 1,646 reviews - Split: Illuminated Evening Guided Kayaking Tour
★ 4.8 · 1,622 reviews - X-Adventure Sea Kayaking Half Day Tour in Dubrovnik
★ 5.0 · 1,316 reviews
What the guides add to the experience

The guide is especially important on a river trip. You need clear instructions at the start, calm direction near the falls, and honest advice about the jumps.
The available guide languages are English and Croatian. Specific guides named in recent trip accounts include Tomas, Nacho, and Pat. Tomas was described as kind, helpful, and patient. Nacho led a private outing that received strong praise, and Pat was noted as friendly and approachable.
That personal care matters more than a polished speech. On moving water, you want a guide who explains what is ahead, notices when someone needs help, and does not pressure you into a jump. The high overall score of 4.8 from 34 ratings suggests consistent satisfaction, while the individual comments point most strongly to the guides’ attitude and safety-minded support.
Group size is not provided, so do not assume you will have a private trip. A private outing may sometimes be possible with an extra payment, as one booking account indicates, but that is not presented as the standard arrangement.
Is $76 a good value?

The price is $76 per person. I consider that reasonable for a four-hour activity because the cost covers much of what you would otherwise need to arrange separately:
- Boat and paddle
- Neoprene clothing and shoes
- Life jacket and helmet
- Barrel for belongings
- Guide
- Transport from Hotel Mirjana & Rastoke to the river and back
- Photos
The two van transfers are short, but they save you from arranging your own transport to Primišlje. The equipment package is another strong point. You only need to bring personal items such as swimwear, a towel, sunscreen, beachwear, and closed-toe shoes.
Food and drinks are not included. One account notes that lunch connected with the hotel was a set menu after the tour, not a meal on the river, so you should not plan on being fed during the kayaking portion. Confirm any separate meal arrangement directly before you go.
The value is best for you if you want several activities in one outing: paddling, swimming, waterfall views, optional jumps, transport, and photos. If you already have river equipment and only want access to the water, the price may feel less compelling. For most visitors staying near Slunj, the convenience makes the package easier to justify.
Who should book this Mrežnica trip?

This outing suits active families, couples, friends, and solo visitors who want a few hours outside. Children can take part from age six, depending on water level, but parents should consider how comfortable each child is with swimming, helmets, life jackets, and a moving boat.
You do not need to be an expert kayaker based on the provided trip details. You do need to be willing to listen, paddle, and manage a wet outdoor activity. The optional nature of the jumps makes the outing more flexible for mixed groups, since one person can jump while another chooses to swim or stay in the boat.
The trip is also a good fit for anyone visiting Rastoke or Slunj who wants more than a short stop at the waterfalls. It gives you a different view of the region, from the river itself, with several hours to enjoy the water rather than only taking photographs from shore.
It is not suitable for children under six or wheelchair users. You should also think carefully before booking if you dislike water, heights, or active outings. The scenery is beautiful, but you are not simply being carried along.
What to bring and what to expect

Wear swimwear under the provided neoprene clothing. Bring a towel, sunscreen, beachwear, and closed-toe shoes. The equipment list includes neoprene shoes, but the bring list also asks for closed-toe footwear, so follow the provider’s current instructions if they give you a choice.
A few practical choices will make the outing easier:
- Keep valuables to a minimum.
- Use the provided barrel for items that need protection.
- Apply sunscreen before the van leaves.
- Bring a towel for the ride back.
- Listen closely to the safety talk.
- Treat the jumps as optional, not as a test of courage.
The weather and water level can affect the program, particularly for children and the jump options. The stated minimum age is six, depending on water level, so families should check current conditions rather than relying only on the age rule.
The activity lasts four hours from start to return, with about two and a half hours at Primišlje and approximately 40 minutes total in the van. That leaves time for preparation, safety instructions, changing, and moving between the river and hotel.
Booking flexibility and practical limits

You can cancel up to 24 hours in advance for a full refund. There is also a reserve-now, pay-later option, which helps if your schedule around Slunj is still shifting.
The guides speak English and Croatian. The activity is not wheelchair accessible, and children under six cannot take part. Food and drinks are excluded, so plan around that point rather than expecting refreshments on the river.
Because the exact starting times depend on availability, check the schedule before building the rest of your day around this outing. The four-hour duration is fairly compact, but you should still leave some breathing room before another fixed activity.
Should you book it?
I would book this Mrežnica trip if you want clear water, waterfalls, swimming, and a little controlled excitement in one half-day. The included equipment and transport keep the planning simple, while the optional jumps make it possible for different comfort levels to share the same outing.
I would skip it if you want a dry, quiet nature experience, have mobility limits, or are uncomfortable with river activity. Families should confirm the water level for children, and anyone tempted by the jump should be ready to follow the guide’s instructions rather than chase a dramatic moment.
For $76, the strongest value comes from the full package: a scenic five-kilometer river route, several swimming opportunities, waterfall action, guide support, transport, equipment, and photos. The standout reason to go is not one single jump. It is the way the day keeps changing from calm turquoise water to small falls, deep swimming spots, and the larger drop at Milkovića slap.
FAQ
Where does the kayaking trip begin?
The meeting point is Hotel Mirjana & Rastoke. From there, the group travels by van to Primišlje on the Mrežnica River.
How long does the experience last?
The full experience lasts four hours. The van ride takes about 20 minutes each way, and the guided river activity lasts about two and a half hours.
How far do you kayak?
The route covers approximately five kilometers through the Primišlje section of the Mrežnica River.
Are the waterfall jumps mandatory?
No. The jumps are optional. The route includes jump opportunities at Milkovića slap, with heights listed around 5 and 9 meters, while other trip details describe options around 3 and 7 meters.
What equipment is included?
The price includes boats, paddles, neoprene clothing and shoes, barrels, life jackets, helmets, transport, a guide, and photos.
Can children join the trip?
Children can take part from age six, depending on the water level. Children under six are not suitable for the activity.
What should I bring?
Bring swimwear, a towel, sunscreen, beachwear, and closed-toe shoes. Food and drinks are not included.
Just added around Croatia
- Supetar-Postira kayaking★ 5.0 · 26 reviews
- Sea kayaking Postira – Lovrečina (St.Lovre, archaeological site)★ 5.0 · 16 reviews
- Sunset Kayaking★ 5.0 · 50 reviews
- Split Sunset Stand Up Paddle Tour★ 5.0 · 16 reviews
- Split: Guided Sunset Sea Kayaking & Snorkeling Tour★ 4.8 · 185 reviews
- Split: Sunset Guided Kayaking Tour★ 4.8 · 71 reviews
- Stand Up Paddle Tour in Split★ 4.7 · 17 reviews
- Split: Transparent SUP night Glow tour★ 4.9 · 73 reviews
River Kayaking, side by side.

Crystal River Three Sisters Springs and Manatee Clear Kayak Tours
Read our review →
Wailua River & Waterfalls Kayak Tour: Expert-Guided Adventure
Read our review →
Wailua River Kayak and Sacred Falls Guided Hike with Lunch
Read our review →
Small-Group Emerald Cave Kayak Tour on Colorado River
Read our review →This trip also sits in




