This cache is very near Iso-Huopalahti. The terrain might be difficult and the place might be flooding highly depending on the time of year. Rubber boots might be a good idea.
There's a wooden path leading to this cache and the cache is less than a ten meters away from the path. There are two directions to approach the cache. The other route requires that you cross a small pond, which might be uncrossable if the water level is high. There should be no problems reaching the cache even if there's snow on the ground.
The cache is a small plastic container located a meter above ground.
Winter causes no problems for this cache, in fact the terrain should be much easier than in the summer.