The bike trail called Skriveno blago (The Hidden Treasure) is not physically demanding, and in terms of its technical demand, it is moderate. The trail is 33.9 km long and it takes 2 hours and 30 minutes to ride it, on average.

It begins at the Preko ferry terminal and runs along the coast from Preko to Poljana, Sutomišćica and Mali Lukoran. Along the way, one can enjoy beautiful views of the islet of Ošljak, boats at the Marina Preko, the islet of Galovec and Cape Sveti Petar in Poljana. In Poljana, the trail departs from the coast and runs through the interior of the island to reach the coast of Sutomišćica. It passes by the only football stadium on the island of Ugljan and takes a slight turn towards the Tala cove in Mali Lukoran.

The route offers a beautiful view of Sutomišćica and Sutomišćica Bay. There is also the church of St. Euphemia, patroness of the village. In Mali Lukoran, one can explore the site of Vrulja. The trail continues towards the centre of Veli Lukoran. There it ascends towards the island’s main road and runs across the area of the island rich in olive groves. There one can enjoy beautiful vistas of the surrounding green hills.

After 11.2 km the trail turns towards the hill of Sveti Mihovil and the homonymous medieval castle. After this most demanding part of the trail, the trail starts to descend and runs towards Kali. It follows the gravel road through the green part of the island and cultivated olive groves. After 24 km the trail reaches Kukljica and descends to the centre of the village where it turns towards the hamlet of Zelena Punta. In the Kostanj bay there is the medieval church of St. Jerome. This points marks the beginning of the final part of the route, which is physically not demanding. It runs along the sea coast to the Preko ferry terminal.