If I can ride down something should I also be able to ride up it?

[Biciclista]

I don't "bump up" curbs. Not good for my wheels!

[Irulan]

lol, there is that.
Also, when learning it's important to hit them at a 90 degree angle. Anything less and you run the risk of the wheel getting knocked sideways and the front going under.

[PscyclePath]

Going down is much easier, since you have gravity on your side ;-)

Going back up is much more of an art. Not only power, but skill in applying it...

[hebe]

A quick update on this. The bump that I had in mind is less tall at one end than the other, so I just cross to the other side of the trail and bump up that end. I don't worry about the curb any more either, it has a very slightly angled front. I did have one lip-biting moment yesterday when I misjudged the dropped curb that I was aiming at (at an angle) and realised that I was going to overshoot and hit the undropped bit instead. I got up it with no problem but felt very lucky!

Thank you again for the help and advice, much appreciated!