A map pin is a starting point, not permission to enter

By Rickie Doherty, maker of Discover Alone

An interesting dot on a map can turn an ordinary afternoon into a proper little expedition. It can also lead you to a locked gate, a farm lane or a place whose record marks a broad area rather than an entrance. A few checks make the difference between a useful discovery and standing beside a hedge arguing with your phone.

Read what the dot actually represents

Open the place account before setting off. Is it a surviving building, a ruin, a former site or a person linked only to a town? Follow the original record when one is supplied. A coordinate can help you find the area, but its precision depends on the source. It may identify a town centre or recorded field rather than an exact feature.

Look for connected places, too. At Carndonagh, Donagh Cross, Donagh Church, the Marigold Stone and the place recorded as St Patrick's Bed are close enough to muddle together. They are separate records with different histories. This Carndonagh field sheet puts the four together and distinguishes what the records actually say. It does not turn them into a marked walking route.

Check access separately from history

A heritage record tells you why a place matters; it does not necessarily grant entry. Check current opening information from the operator or landowner where there is one. Treat private land, uncertain paths and fragile remains with care. If a place is closed or access is unclear, enjoy what can be seen from a lawful public spot and choose another nearby dot.

Photos help with recognition, but they may be old. Weather, tides and local conditions can change a plan. For coastal caves or exposed places, get current local advice before going. A saved map page cannot replace that.

Give yourself another good option

Pick two or three nearby places rather than betting the afternoon on one pin. Mix a historic place with a garden, viewpoint or town stop. Open each account, check its source and decide which one suits the time and conditions you actually have.

I made Discover Alone to help people find what is around them across Ireland and Britain. The map is free to browse, and Explorer Tom adds cheeky stories and practical tips to the places he has written up. The fun starts with a dot; the sensible part is checking what that dot means before you go.