updated 04/06/2012 AT 1:00 PM ET
•originally published 04/06/2012 AT 2:30 PM ET
The actor brought his black Saluki mix and his 15-month-old son, Flynn, along for a boys’ day out at L.A.’s Runyon Canyon Thursday. With his little one strapped securely to his chest, Bloom and his canine companion soon hit the trails.
The outdoor park is a frequent haunt for the physically fit star and his whole family, including wife Miranda Kerr, who helped Bloom celebrate his birthday with a hike in January.
[RELATED_TEXT “Can’t get enough pet news? See more on PEOPLE Pets