Works with Garmin 76CSX , more detailed (dates to 2008), than Regio 2.08 TOPO.
Somehow, has even more details than HEUX800X (2014 release).
* Downside - missing part upward from Tartu to Võrtsjäv.

Note: it's missing rocks marked on HEUX800X and on Regio 2.08 TOPO, only very large obstacles marked.

If there is possibility to include Võrtsjärv - to Peipsi (full lenght of Emajõgi), at same level of data …

Andrus