We like Tahmela boulder park

Antti Yrjönen
Topo available at http://kiipeilykerhovertikaali.fi/data/File/topot/tahmela.pdf

Joona Sipi
Close to city center bouldering spot. Nice routes from grade 4 to 7. Very few if any mosquitos. Mostly small grain granite face walls with ok landings.
Iiro Kampman
Would be the best place in Tampere, but the easier problems have gotten mossy :(