Hello
Some suggested corrections:
These hills are the hills of Byaaasen Skiklub, which is a different club than Byåsen IL. The web site of Byaasen Skiklub is www.bskski.no.
In total we have five hills in this area, all of them are commonly referred to as Byåsbakken.
Byåsbakken: K48
25 m hill: K25
Larsbakken: K12
8 m hill: K8 (new 2010)
5 m hill: K5 (new 2010)