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In the pre-season of 2026, Adventure park Geoss is open from 19th April to the summer holidays at the following hours:
From 19th April to 22th June:
every Saturday, Sunday and national holiday from 10 a.m. to 6 p.m during school holidays every day from 10 a.m. to 6 p.m.

During the summer holidays, Adventure park Geoss is open at the following hours:
from 25th June to 31st Avgust every day from 10 a.m. to 7 p.m.

In the autumn, Adventure park Geoss is open at the following hours:
From 5th September to 2st October
every Saturday, Sunday and national holiday from 10 a.m. to 6 p.m

From 3nd October to 1th November
every Saturday, Sunday and national holiday from 10 a.m. to 5 p.m

Halloween - 31st October- additional opening hours from 6 p.m. to 10 p.m. (only with reservation).

Last entry into the park 2 hours before closing.
There is a possibility of visiting the park outside opening hours, for groups that made a reservation.
*we reserve the right to change opening hours without prior notice.

Adventure park Geoss is located near the geometric centre of Slovenia (Geoss) in the village of Slivna.

If you are coming from Litija or Ljubljana, in the village of Spodnji Hotič, at the Gasilski dom (Fire department house), go in the direction of Vače, then just follow the signs for Geoss.

If you are coming from Moravče or Izlake, in the village of Kandrše, go in the direction of Vače. After about 2 kilometres, at the top of the hill, turn right at the crossroad, in the direction of the village of Slivna and just follow the signs for Geoss.