[3] It sits on the banks of Ryalton Stream,[4] set in remote surroundings, in an area rich in wildlife.

There are two other churches dedicated to him, St Collen’s at Llangollen in North Wales, and another at Langolen near Quimper in Brittany, France.

[7] By 1887, the church had been completely restored thanks to the efforts of the vicar and Paget Hoblyn of Fir Hill Manor.

The slate roof has ridge tiles at the crest and gable ends, with raised coped verges and cross finials.

[4] The south transept at the lower level of the chancel forms part of the church room.

Between the porch and the nave is a window on the southern wing, which has two openings covered by a "four-centred arch and hood mould.

The west end has a two-light window with cusped lights, square head and hood mould.

[8] The north door, fitted with strap hinges, has a four-centred arch and wave moulding.

[8] In 1884, in honour of the vicar who served the parish for 34 years, an etched stained-glass painting of the Ascension was installed in the east window.

A window in the tower has a stained glass fitted in honour of the Reverend Mathew Nixon Broughman for his service to the parish as Vicar from 1872 to 1881.

The Four Gospels fitted on the window of the west wall have inscriptions in honour of John James Murley and William Paget.

The brass shows effigies of both, standing on either side of an impaled shield of arms, and figures of their thirteen sons and nine daughters below.

[10] The second brass on the south wall of the chancel is that of John Coswarth (or Cosowartha) Receiver General of the Duchy of Cornwall in 1575.

Its rectangular slate stone flanked by carved Ionic columns and a round arch bears the inscription "Death spares none", good lettering with verses to Alice Thomas, 1826.

[8][10] This cross, which was untraced for many years, was found near a hedge in 1908 by Dr W. J. Stephens of the Old Cornwall Society.