Secret climbing tree

There is one mistake in each sentence. Fix the mistake.

1.

There is a small tree in Vancouver.

2.

Up high, they can see downtown. They can see the ocean, too.

3.

They lived for hundreds of days.

4.

It is near Cambie Street and Queen Edward Avenue.

5.

A Sitka spruce on Vancouver Island is the taller tree in Canada.

6.

It is about 96 metre high and 600 years old.