Colorado

Winter Park
Jumps rails, a halfpipe and open carving bowls, just to name a few . With tickets seling at 7-16$ for a full day of riding

The Valley
In Colorado Springs
Tables, Doubles, Big Step up.
Take I-25 to woodmen. Go down woodmen and take a right on Austin Bluffs. Drive down Austin Bluffs and go right on the dirt road off to the right just before Old Farm RD.
From Tahoe: from truckee go up 89 until you get to 49, then drive 49 to Downieville.

Dakan and Jackson Creek.
dirt roads south-west of Denver. Lots of trails with jumps, curves, etc. You have to put up with a lot of dirt bikers on Jackson Creek road usually though.
For Dakan road you need off roading capable vehicle.
But great 4-wheeling. And great camping.

Take Santa Fe road south to Sedalia
Go west (right) on highway 67
Then south (left) on highway 105
Go south awhile then left on either road

Keystone
like $25 a day you can hit most of the killer (skiing) slopes. The gondola will take you up the mountain.

Telluride
Ski Ranches, Dirt at the top asphault halfway down. Intermediate pitch with sweet s turns winding down.
About 1.5-2 miles

Same as Airport rd except hang a right on 145 across from the airport rd and head up towards Mountain Village.Drive past the entrance to Mountain Village about a half mile and take a left into the ski ranches.
Follow the pavement to the top and beyond.

Tynann's
Some gaps(8-15 feet), hip transfer, some other runs too.

Fort Collins
I-25 to west on Harmony, south on College to Tynanns Nissan dealership.
Park any where behind Tynanns and walk west across the field to the train tracks.
The track faces north and runs along the east side of the tracks.