Thanks everyone. I didn't ride yesterday but I did today and although I felt that he may have been a bit stiff in the front, my mother claims that she couldn't see any signs of him limping, nor could I when she rode him.
He doesn't get stabled although I do have stables that I could use. I prefer to leave him in the paddock. Today he even cantered down the paddock of his own accord, so I guess he can't have been feeling too bad.
I didn't even think about how he might tighten up after so much exercise. He typically gets Fridays off (I usually work that day) so I might start easing him up on Saturday, go for a big ride early in the week, and then ease him down again.
Sometime, a bath with a nice linement helps when you get back (summer where you are, right?, so still warm)
It's autumn actually, and the coldest one we've had in years.
I'd be more concerned if gullet of saddle is not pressing into his withers when you are mounted, as it looks awfully low without a rider?
I'm very much in the market for a new saddle. I had been noticing how low it had been sitting but we were managing to keep it off his withers with extra padding. When I stopped at the friends place during the ride I tested some of their saddles on him... and discovered that he needs a 4.5 inch gullet. My saddle is a 7, so I'm hunting for a better fit. But finding an Aussie saddle with a 4.5 inch gullet and a 17 inch seat is proving difficult. In the meantime I'm only riding lightly and using plenty of padding to try and take up some of the excess room.
It's good to know that I haven't pushed him too hard. He seemed to enjoy it really, apart from the hills that lead to home. But I don't know anyone that likes walking up hills. But honestly, he breathes hardr when I trot/canter him in the paddock than when we were riding that long.