Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_63625 ( "Rank" real, "Canton" text, "Highest point" text, "Highest elevation" text, "Lowest point" text, "Lowest elevation" text )

### Question ###
What is the highest elevation of a place where the lowest point is the Allaine River, National border?

### Accurate SQL ###

SELECT "Highest elevation" FROM table_63625 WHERE "Lowest point" = 'allaine river, national border'