Topo Great Britain Pro - 1 25k ~upd~

| Feature | OS Explorer (1:25k) | OS Landranger (1:50k) | | :--- | :--- | :--- | | | Walking, hiking, climbing, off-road cycling | Driving, cycling on roads, regional planning | | Detail | Shows field walls, small streams, individual trees | Generalized; shows main features only | | Contours | 5m or 10m intervals (very detailed terrain) | 10m intervals (general terrain shape) | | Rights of Way | Fully detailed | Visible but harder to read | | Coverage | Requires ~400+ sheets to cover GB | Requires ~200 sheets to cover GB |

The positional accuracy of features is incredibly high. While the absolute accuracy of older features (like Victorian-era field boundaries) might vary slightly, the relative accuracy (how features relate to one another) is superb, making it perfect for orienteering. topo great britain pro 1 25k