It's almost as though the other reviewers here were reviewing another movie than the one I saw. It was decent, and perhaps pretty good for the time it was made (1936), but I found it pretty creaky, mediocre, almost juvenile with all the Windy-Johnny banter.
For me, one sign of a weak adventure movie is seeing the hero easily start a brush fire to deter the bad guys, here the bad guy's herd of cattle.
Another thing that threw me was that Hoppy suddenly is convinced to organize a cattle drive to deliver cheap food to a hungry town. I couldn't understand why it would make any difference as to whose herd reached that town first -- benevolent Hoppy's herd (which would be sold by Hoppy for a fair low price) or a greedy bad guy's rival herd (who would charge a lot for his cattle). What was the rush? Why should a day or two matter? Hoppy could have easily sent a horseback rider to the town, telling the townspeople to wait for Hoppy's inexpensive cattle.