Jezioro Otomińskie (near Gdańsk) May 18, 2023 by Steven Lakes Jezioro Otomińskie – a more than worthy half-day trip from Gdańsk. Jezioro Długie (Olsztyn) April 20, 2022 by Steven Lakes Jezioro Długie is but a short walk from the Olsztyn Old Town. Beautiful nature for hikers, cyclists and families to enjoy their time. Lake Ukiel (Olsztyn) March 30, 2022 by Steven Lakes Check out this review of Lake Ukiel in the city of Olsztyn. The lake has it all – well-developed infrastructure, restaurants and a beach.