Here is a great workout for your legs and glutes. Low impact and you can make it as tough as you like by adapting the weights that you use. These exercises can all be done just bodyweight but you can also add weight appropriate to your own level.
There are 5 exercises:
Single leg hip thrusts - 10 reps each side
Forward to backward lunge - 10 reps each side (5 forward, 5 back)
Lateral slide with single leg squat - 10 each side
Elevated plank with kick back - 10 each side
Alternating single leg get up - 20 (10 each side)
Complete 4 rounds. More if you've the time / are keen!
Here is an instruction video and follow along combined: