Having helped dozens of Munroists of all abilities complete their Cuillin Munros and Tops, guide Tom Lawfield outlines key considerations for would be peak-baggers keen to take on the UK's most challenging mountains.

The inaccessible Pinnacle (sometimes abbreviated to ‘In Pinn’) is the only Munro that requires rock climbing to reach the summit – making it ‘Britain’s hardest Munro’. However, with our fully qualified and professional guides, it is well within the reach of a normal fit hillwalker with scrambling experience.