Plympton: grid reference SX564588

Notable minerals: Cassiterite.

Bottle Hill Mine is situated just over two miles northeast of Plympton. Otherwise known as Old Bottle Hill Mine, due to the fact that it dates from the early 1700's, the mine worked four E-W tin and copper lodes, known as North Lode (Blanchard's), Main Lode, Buckinghouse (Caunter) Lode and South Lode. It also worked a N-S lead bearing crosscourse.

Production records report that early production was tin and that between 1823 and 1835 - 1800 tons of 4.75% copper ore was raised. Between 1837-39 and 1852-85 - 640 tons of black tin was produced. In the period 1856 to 1875 - 200 tons copper ore was raised. In addition the mine produced 30 tons arsenopyrite and 13 tons of arsenic.