NPT 26 is the best puzzle to start with if you would like to do all the NPT puzzle caches in one day.
This cache location was originally selected along the NPT in 2008 but never posted. It led to a large gap between NPT06 and NPT08 which may be part of the reason NPT07 was so difficult to solve.
At the time it was solved, NPT07 (GC1HCQ5) was listed as the most popular puzzle based upon the GeoChecker statistics list: The 25 Most Popular Puzzles.
Knowledge of Gaelic will help understand the true value of this puzzle cache but it is not necessary to find the cache itself.
You can check your answers for this puzzle on Geochecker.com or at