Owing to reliefs and immediate vicinity of the sea, the Nature Park Učka has a specific microclimate and developed abundant forest vegetation.
Coastal beech forests, pre-mountainous beech forests and subsequently cultivated conifer species are particularly significant and so are meadows and grasslands inhabited by many endemic, threatened and protected plant species.
The Park is home to over 1,200 plant species, of which special significance is given to endemic taxa inhabiting rocks and “gulles” (e.g. Učka bellflower). It is also home to aroud 150 bird species, of which over 70 nests in this area. The Park’s territory is rich with speleological objects of which there is almost 200 according to available data.