Mountain ash (Sorbus aucuparia)

Lovely, decorative tree, whose red, collected in corymbose (professional name) the fruit heralds the beginning of autumn:

Mountain ash in front of the house
It bends towards the ground.
You see, getting bolder
Autumn is just beginning.
(Jerzy Liebert)

Rowan fruits contain a lot of vitamins A and C.. Frozen, they are suitable for jams (with a specific taste) and for making tinctures.