The most common and most likely answer to this crossword clue is the 9 letter word ONE-HORSE
I've seen this crossword clue in Independent
O
N
E
-
H
O
R
S
E
Buddy explains!

The straight part
We know that "Like obscure town" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case like obscure town = one-horse.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.
What does ONE-HORSE mean?
ONE-HORSE adjective- Drawn or worked by a single horse.
- (by extension) Small, insignificant.