[1] The peninsula is owned by the Congregation of Christian Brothers as part of the Aquinas College property, and is managed as a reserve with the Department of Environment and the City of South Perth for heritage conservation, education and passive recreation values.

The future preservation of the Mount Henry Peninsula has been guaranteed through the signing of the Bush Forever program by the Christian Brothers[citation needed] as owners of the Aquinas College property.

[citation needed] Nyungar people used Mount Henry as a lookout to see where family camps were, from the smoke rising from their campfires.

Paul Keaney, a member of the Christian Brothers, and the Superior of Clontarf, that 67 hectares (165 acres) were purchased from the Manning family at Mount Henry on the Canning River.

[citation needed] The Christian Brothers established Aquinas College in 1938 and have retained from arrival the Mount Henry Peninsula bushland, following the belief that bushland is the perfect setting for a Christian Boys College: "In the heart of the bush the natural beauty of the surroundings will raise their minds to higher things.

In late 1996, the Mount Henry Conservation Group (MHCG) headed by Jan King started work on the peninsula.

Today,[needs update] projects by the Mount Henry Conservation still continue to strengthen slopes and decrease erosion.

[citation needed] Native flora in the Mount Henry Peninsula area are diverse as and change from reeds at the shore to banksia and tuart trees further inland.

Due to the sensitivity of both Banksia species to Phytophthora cinnamomi dieback, other less lethal weed killers are used on Mount Henry Peninsula.

The herbicide used has been specially developed by the Department of Agriculture and Food[8] The Mount Henry area of the Canning River is one of several undergoing extensive regeneration.

The Department of Conservation and Environment has been surveying the lizard populations among other things to determine whether they can start a baiting program for introduced species.

[10] The Community Service Program at Aquinas College presents an opportunity to teach the students some of the aspects of bush regeneration, quite a foreign subject and viewpoint in most cases, and through involvement, enable them to gain some understanding of the value of bushland and how we can assist in its conservation.

Such projects include; The upkeep of the Mount Henry Bushland area is extremely costly, mainly because of its vast size.