[4] The River Hayle rises near Crowan and flows through the village and the railway branch to Helston passed nearby.
[5] Crowan church was given, by William, Earl of Gloucester to St James' Priory, Bristol, which was a dependency of the Benedictine Abbey of Tewkesbury.
[7] Crowan feast was observed on the nearest Sunday to the eve of the Purification of the Blessed Virgin Mary.
Sir John St Aubyn, 5th Baronet, is buried at Crowan; his monument was carved by William Behnes.
[15] The resort of Clowance estate offers swimming, tennis, gym and fitness facilities, a bar and an Italian restaurant.
The third cross is curiously ornamented on the front and back of the shaft; it formerly stood at the northwest corner of Nine Maidens' Down.
[20] Financed by a London company, shafts were sunk and old levels extended at Polcrebo in 1884, with tin-ore accumulating at the surface.