Worth the visit, not to see the temple per say, but to see the view of the city and enjoy the park…read more
While there is a restaurant, I saw some locals with a very smal barbeque grill having a picnic - Great idea. Just grab some stuff from the grocery store before you go and don't forget champagne and plastic cups which makes anyplace special.
If you have walked here or taken the nerobergbahn, you will see a few taxis to take to the bottom of the mountain or ask the restaurant to call a taxi for you. Better yet, do as I did and walk to the bottom - it didn't take long at all and the area real estate is nice to see.