From the Coniston end you head up the lane past the youth hostel, then take the signed footpath left roughly 200 m beyond it. There is a short steep pull early on, and after that the walking settles into a compact-stone bridleway that runs beneath the fell side through Yewdale Woods. A timber footbridge breaks up the middle stretch. The turning point is the road junction near High Tilberthwaite, with a small car park a couple of hundred metres further on if someone is collecting you. Return the same way.
The payoff is the middle third: rocky ramparts above you on the fell side, oak woodland below the track, and an unfussy, well made surface that lets you look around instead of at your feet.