The headline intercept also included 15.2m at 16.47g/t gold, below the modelled pit bottom.
Other highlights from the latest assay results included 76.2m grading 0.81g/t; and 50.3m at 1.43g/t, including 12.2m at 4.55g/t gold.
The Oro Belle Trend is within the region of the historic JSLA pit and CEO Gerald Panneton said the current programme had "definitely achieved its objective" of demonstrating the deposit was still open in all directions and that the average grade could be increased.
The Castle Mountain heap leach gold mine is said to have produced more than 1 million ounces of gold between 1991 and 2004 and its 2015 measured resource contains 17.4 million tonnes grading 0.86g/t gold for 0.48 million ounces.
Shares in the company rose 5.56% on the news to C95c, capitalising the company at C$176.7 million.