What's happening in your world?

['thul]

the mountains and trees are easy. Rivers are more trouble.

The basic lines for a mountain is one "peaky" line for the shape, and a few sketchier lines for the side. about 3-5 seconds.
The trees are even quicker. one vertical line, and a few scratchy lines that are somewhat diagonal.
These beings won't do as they did no a former map, where they drew in many houses. probably around a thousand of them or so. At least 25-30². The pencil sharpener for that drawing was a rather decently sized knife.

The journey in itself isn't all that treacherous, as one would keep to the valleys between the peaks. Of course, in wintertime, it'd be treacherous. If one ignores the dragons, it'd be a nice journey. but then, dragons dont like being ignored, so...

It is much harder to write out descriptions for everything about the different races and such for the story, especially to keep it all consistent. Having to think of all sorts of things that you never think about when reading a book, like how do people there dress? is dress symbolic to status, if so how? Whats the currency? How is it divided up? What does it equal in the currency of those? And so forth.
Still not even started on building up the base of minor characters, or for that matter planning the magic system. As 'thul can quote the author David eddings on, it might be easier to take up rocket science than writing epic fantasy.