Activities available at Jämi include for example:
Jämi is often a locations for variety of events such as flying shows, dog shows or sports contest (skiing, biking, orienteering).
You may see locations or routes for Jämi and the whole Hämeenkangas area at https://www.nationalparks.fi/hameenkangas/directionsandmaps.
Jämi is part of UNESCO GEOPARK called Lauhanvuori-Hämeenkangas. See also https://lhgeopark.fi/en/mire-is-life/. Services and acitivities around Geopark-area are also listed there.