How could you know this?
Going from Vilnius take route E28 (A4) towards Trakai. See map |here|. Once you enter Trakai continue on the main road until you reach a roundabout. Take the second exit continuing driving on route E28. In about 400 m you’ll reach an intersection with the sign "Vievis 20". Turn right on to road 107. |street view|. In about 2,7 km you’ll reach another roundabout. Take the third exit on to roud 4709 and continue driving for 10 km until you reach a bus stop "Padvarionys 2" on the right side of the road. Behind this stop you’ll see a sign that says "Elektrėnų sav." |street view|. After the sign, turn right and drive for about 1 km on a dirtroad until you reach the event.
To reach by public transport
Take a bus or train to Trakai at Vilnius train station. See schedules |here|.
In Trakai you can either take a taxi (see phone numbers bellow) or take a bus going to Semeliškės at Trakai bus station 2nd platform. There are only a few busses going to Semeliškės per day. Friday: 13:55, 15:40 and 17:10. Saturday: 08:35 and 15:00. Return to Trakai on Sunday: 11:15 and 15:55. After around 13 km you will need to get off the bus at the station called "Padvarionys 2". |street view|. Continue on foot in the direction of the bus for about 25 meters and then take the first right. You'll need to walk on a dirtroad 1 km to reach the event.
Taxi: +370 699 20359 or +370 603 41 111