I go as late in the season as possible... Problem is finding a riding partner.
Last year 1mexonm7 and I rode fathers day at tony grove... It is june 21st this year, hope to do the same.
Like Hillclimbr stated, tony grove lake is like 9000ft at the lake and you can drive right to it.
Last year fathers day was pretty much the last weekend you could have ridden.
No snow on the north side of the lake, we had to stay in the trees on the south side and climb up out of the lake... Only a few bare spots, but you had to pick your way around down low.