Apparently there use to be a river so thunderclan couldn't get to them only riverclan could,but the river shrunk,and thunderclan didn''t want riverclan crosing their territory anymore to get their
No. She runs away with Crowfeather but goes back to help her clan.
As of 'Sunrise', Graystripe is in Thunderclan. If you are asking about where he was when he was taken by the twolegs, he became a kittypet, ran away, and set off on a journey to get back to Thunderclan. You can read about this in the Warriors magna series.
Probably
He went away probably to go bug some other cats
Erosion and it eroded away
No, though they are often confused. Here are the definitions:Weathering: the wearing away of rocks in situErosion: the wearing away and taking away of rocks
Rocks wear away because slowly,wind/water take away tiny pieces of dust and slowly it gets worn away.
Wearing away of rocks is called weathering.
This is not likely, Leafpool only ran away the first time because it was the only way to be with Crowfeather, but even then she discovered that her heart truly lay with Thunderclan. It is because of this that it is unlikely that she will run away again.
Yes, but not totally. After all, it was revealed to all of Thunderclan that she ran away with him and was seeing him for a long time.
yes he does come back to the clans first riverclan then they kick him and brook away from their camp and then brambleclaw tells them to go to thunderclan.
A canyon can be formed where the water eats away on the rocks.