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Lahti's radio and television museum is on Radiomäki (literally Radio Hill). You can see receiving and transmission equipment from the 1920s to modern times, and outdoors you can't miss the two long wave masts that can be seen from everywhere around the city.
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Salpausselän Virkistysalueen Ulkoilureitit
Tens of kilometres of forest trails for walking, cycling and skiing. No dogs allowed on ski trails in winter.
Lahden maauimala
In the summer, the bottom part of the highest ski jump is opened as a pool. There's a shallow kids area as well as a deeper area, which goes quickly from 2m to 3m deep. Swimming ability required. You can borrow trunks and glasses.
There you can see the ski jumping hills, ski museum and Lahti stadium. In summer there is an outdoor swimming pool. It's also possible to buy ticket which allows you to use a chairlift and an elevator to get to the top of the ski jump which provides a panoramic view of Lahti.
Enjoy a ride to the neighbouring city of Heinola on a 1947 steam locomotive via a 37-km track no longer used by regular passenger trains. The train stops at many old stations along the way. Schedules are published on the website, and tickets can be bought on board.
An event for fans of old cars and motorcycles; American cars from the 1950s and 1960s are particularly well represented. Hobbyists, collectors and automobile clubs bring out their well-polished treasures from their garages, car-related businesses market their services, there are presentations, competitions and a motorcade. The main event takes place indoors, but there are almost as many beautiful old cars to see in the yard as well. Namely, people who arrive in a vehicle that's at least 30 years old may park it on the fairgrounds free of charge (and they will be part of the "outdoor" exhibition).
Lahden uimahalli
In addition to the regular pool, the hall also has a therapy pool, jacuzzi and steam sauna.