The Dalmatian coast is sold as a sea destination, and it is one. What almost nobody mentions is that behind the beach there is a limestone wall over seventeen hundred metres high, and that you can drive up it in under an hour.
01 A seventeen-hundred-metre wall against the sea
Biokovo is Croatia's second-highest range and forms part of the line of the Dinaric Alps running along this whole coast. Its summit, Sveti Jure, is at 1,762 metres, and its prominence is 1,168.
What is exceptional is not the height, it is the distance. The range rises practically from the shoreline, with no intervening plain: between the Makarska beach and the summit there are a few kilometres horizontally and almost eighteen hundred metres vertically.
That verticality has a concrete visual reward. On days of very clean air, from the top you can make out Italy's Gargano, on the other side of the Adriatic, 252 kilometres away.
A few kilometres horizontally and almost eighteen hundred metres vertically: that is all that separates the beach from the summit.
02 The quota: twenty cars an hour
Here is the constraint to settle before anything else. The Biokovo road is narrow, tightly bent and has stretches where passing is awkward, so the nature park controls how many vehicles go in.
Access through the main entrance works on an hourly quota, of the order of twenty vehicles each hour. Large coaches cannot enter. And in summer the last car entry is set for mid-afternoon.
The practical consequence is simple: this gets booked. In July and August the slots sell out, and turning up at the entrance without a reserved time means waiting or not going up.
The good thing about the quota is what it prevents. A mountain road with no traffic limit on a coast receiving millions of visitors would be unusable. Here, the number of cars up top at any moment is capped by design.
03 Twenty-three metres of glass floor
At kilometre 13 of the road, at the Ravna Vlaška site and at 1,228 metres, is the glass viewpoint. It is a cantilevered platform of about 23 by 3 metres, with a transparent floor and a glass balustrade too.
Opening hours are 8 to 20 and depend on the weather: if there is fog or wind, it closes. Admission is paid separately from the park's and the price varies by season; under-sevens do not pay.
And there is one date worth bearing in mind before organising anything: the viewpoint closes in winter. If the trip falls between November and March, this part of the plan does not exist.
04 And up top, the mast and the fog
The road continues beyond the viewpoint to the summit, some twenty-three kilometres in total from the entrance. And it is worth arriving with adjusted expectations, because up there are two things that do not appear in the photographs.
The first is the transmitter. On the summit of Sveti Jure there is a powerful radio and television mast, which dominates the place. It ruins nothing, but the summit is not pristine.
The second is cloud. A 1,762-metre range a few kilometres from the sea generates its own weather: from the beach the sky can be clear and up there you can be inside a cloud with twenty metres of visibility. It is not unusual, it is normal for much of the year.
05 What lies beneath: four hundred cavities
Biokovo is a typical karst mountain, made of limestones, dolomites, breccias and flysch. And that means a good part of its volume is hollow: over 400 speleological features have been identified.
Some are genuinely deep. The Njemica pit reaches 983 metres below the surface; Mokre noge, 831; Amfora, 788. They are vertical shafts, not galleries, and they are not open to visitors.
That hollowness explains the landscape up top. On the range there are no streams or pools: rainwater enters the fissures and drops. That is why the surface is bare stone with scrub in the cracks, and why the nature park, covering 196 square kilometres, protects over 1,500 plant and animal species living in those conditions.
06 How to put it together
The order that works is to go up early. The first slot of the day usually has fewer people, the light is better for seeing the coast and the islands, and the chance of a clear summit is higher than at midday.
The second decision is how far to go. The glass viewpoint is at kilometre 13 and the summit some ten kilometres further up. If the day is closed in, stopping at the viewpoint is the sensible option: at 1,228 metres you are sometimes below the cloud covering the top.
And a warning that recurs on this range every season: people misjudge distances and set off without water or proper footwear, because from the car everything looks close. If you are going to walk even a little, take water and wear visible clothing; rescue here is not quick.
Bernard Gagnon Draa-Tafilalet for someone who wants the hard erg, not the roadside one
César Pérez Salta for someone who wants to drink at three thousand metres and accepts the gravel
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