Use it before committing to a long walk or trying to link a bus, boat, and footpath. It is especially helpful for building a flexible Ullswater day around Glenridding, Pooley Bridge, Howtown, or Aira Force instead of guessing from a map.
This is a planning stop, not a scenic attraction that needs its own visit. Service follows a seasonal pattern, with a more limited winter schedule, so check that the staffed centre is open if you are visiting outside the main season. For a quick photo or a lakeside wander, continue toward the pier and shore.