Gear is perfectly fine for small incline. I park that way at home for 16 years. And I don't park on steep incline anyway, nobody should unless no other way.
The venue opened in 2007 with an Edguy concert. Since then there are also foreign concerts regularly beside the many Hungarian rock and metal concerts in this pub.
A private bus service goes to the club from the city center.
I don't know the details, I suppose its doom was sealed by its insufficient advertising, hard-to-reach location and of course the financial crisis. It functioned for only 14 months. It's a pity, Avalon was a cozy place of a high standard but still with kinda reasonable prices. Well, well.