Mansefield House is ideally situated for natural based mountain biking as well as being on the doorstep of numerous forest roads and man made trails. For families with kids on bikes, to bikers seeking a proper challenge, this is your place.
The various Ardgarten trails in Argyll Forest Park (5km away) are easily accessible by bike from Mansefield House.
The flat(tish), Loch Lomond Cycle Path runs from Tarbet (2 miles away) to Balloch, and eventually Glasgow, and is easily achievable by all age groups.
Several long distance foot paths / cycle trails are easily accessible from the doorstep for more advanced bikers. For a true endurance test, try the Three Lochs Way or the West Highland Way.