Manx Wildlife Trust (MWT) was founded on 6 March 1973 and is the Isle of Man’s leading nature conservation charity.
As of May 2023, MWT manages 30 nature reserves, including the Calf of Man which is managed with and on behalf of Manx National Trust. These reserves total 535.13 ha (1,322.3 acres), or around 1% of the Isle of Man and include:
| Name | Acquired | Area | Notes | |
|---|---|---|---|---|
| Aust | 2016 | 4.24 ha (10.5 acres) | ||
| Ballachrink | 2011 | 9.97 ha (24.6 acres) | Part of the Renscault & Ballachrink Bird Sanctuary | |
| Ballachurry | 2016 | 1.67 ha (4.1 acres) | ||
| Ballamooar Meadow | 1994 | 0.45 ha (1.1 acres) | ||
| Barnell Reservoir | 1974 & 1984 | 1.92 ha (4.7 acres) | Part of the Ballamoar Bird Sanctuary (Patrick) | |
| Billown including Rosehill Quarry ASSI | 2023 | 1.66 ha (4.1 acres) | Includes Rosehill Quarry ASSI | |
| Breagle Glen and Cronk Aashen | 1988, 1991 & 2010 | 0.88 ha (2.2 acres) | ||
| Calf of Man | 262.34 ha (648.3 acres) | Owned by Manx National Trust, managed by Manx Wildlife Trust since 2005. Candidate Ramsar site | ||
| Close-e-Quayle | 1994 & 2003 | 3.97 ha (9.8 acres) | ||
| Close Sartfield | 1987 | 12.04 ha (29.8 acres) | Part of the Ballaugh Curraghs ASSI and Ramsar Site | |
| Close Umpson | 1995 | 0.77 ha (1.9 acres) | Part of the Ballaugh Curraghs ASSI and Ramsar Site | |
| Cooildarry | 1976 & 1979 | 8.51 ha (21.0 acres) | ||
| Creg-y-Cowin | 2023 | 43.24 ha (106.8 acres) | ||
| Cronk-y-Bing | 1989 | 7.13 ha (17.6 acres) | An Area of Special Scientific Interest | |
| Curragh Feeagh | 1986 | 2.33 ha (5.8 acres) | ||
| Curragh Kiondroghad (Onchan Wetlands) | 1988 & 1990 | 0.48 ha (1.2 acres) | ||
| Dalby Mountain Moorland | 1995 | 28.27 ha (69.9 acres) | Candidate Ramsar site | |
| Dalby Mountain Fields | 1995 | 4.26 ha (10.5 acres) | ||
| Dobbie's Meadow | 2013 | 4.48 ha (11.1 acres) | ||
| Earystane | 1998 | 0.64 ha (1.6 acres) | ||
| Fell's Field | 1998 | 1.05 ha (2.6 acres) | ||
| Glen Dhoo | 1995 | 9.49 ha (23.5 acres) | ||
| Glion Darragh | 2024 | 70.01 ha (173.0 acres) | ||
| Goshen | 1995, 1998, 2008 & 2023 | 19.60 ha (48.4 acres) | Part of Ballaugh Curraghs ASSI and Ramsar Site | |
| Hairpin Woodland Park | 2019, 2022 & 2024 | 24.02 ha (59.4 acres) | ||
| Lough Cranstal | 1989 & 2022 | 6.61 ha (16.3 acres) | Candidate Ramsar site | |
| Lough Gat-e-Whing | 2016 | 1.81 ha (4.5 acres) | ||
| Miss Guyler's Meadow | 1989 | 1.21 ha (3.0 acres) | ||
| Moaney & Crawyn's Meadows | 1995 | 0.94 ha (2.3 acres) | Part of the Ballaugh Curraghs ASSI and Ramsar Site | |
| Mullen-e-Cloie | 2008 | 1.14 ha (2.8 acres) |
Nature Discovery Centres edit
The Manx Wildlife Trust also operates seasonal "Nature Discovery Centres" at both the Ayres National Nature Reserve and Scarlett (Malew), along with one co-located with their shop beneath the Manx Wildlife Trust offices.[1]