The most common and most likely answer to this crossword clue is the 5 letter word YUKON
I've seen this crossword clue in The Times
Y
U
K
O
N
More clues leading to the result YUKON
- Territory that’s visible on borders of this country
- Canadian territory the solver studies, so to speak?
- Large part of Canada that may accommodate European country
- It’s foul running water in North America
- North American territory that welcomes Britain
- River over there encapsulates our country
- Gold rush territory, over there, enthralling our country
- Canadian flower that's found around the United Kingdom
- Canadian territory that welcomes island nation
Buddy explains!

The straight part
We know that "Canadian territory" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case canadian territory = yukon.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.