Teton Scenic Byway
Scenic drive · Idaho
Idaho Highway 31 runs nearly 70 miles from Swan Valley to Victor over 6,754-foot Pine Creek Pass, its aspen and cottonwood turning gold each September against Teton Valley's farmland and the Tetons' quieter, western-facing side.
Don’t miss
Peak: September 25–September 29
Color builds from September 12 · mostly bare by October 18
Method: daily ERA5 temperatures drive a photoperiod + chilling phenology model, sampled at Teton Scenic Byway’s own coordinates and elevation (2102 m) rather than a regional average. Estimates, not promises — check locally before you plan a trip around it.
Teton Scenic Byway on the map
More things to do in Idaho
The Farmstead Corn Maze & Pumpkin Festival
Fall festivalColor nearby peaks October 17
The Lowe family's agritourism farm in Kuna, southwest of Boise, cuts a fresh corn maze each fall and opens a pumpkin patch alongside hayrides, a jumping pillow, cow-train rides and slides, all under one general admission. The 2026 season runs September 12 to October 31, open evenings midweek and closed Sundays.
Don’t miss: Fresh corn maze each year · Pumpkin patch and hayrides · One-price general admission
The Haunted World
Haunted attractionColor nearby peaks October 18
Billed as Idaho's largest indoor-and-outdoor haunt, this attraction sprawls across more than 40 acres of Caldwell farmland west of Boise, pairing a themed haunted house with a corn maze that runs over a mile long. It has been scaring visitors since 2000, and a full walk-through takes roughly two hours on weekends.
Don’t miss: 40+ acres of haunt · Mile-long corn maze · Running since 2000
Ten Mile Farms
Corn mazeColor nearby peaks October 17
A Meridian farm just outside Boise running a corn maze with both a quick family route and a full sized version for anyone who wants to get properly lost. The pumpkin patch, hayrides, barrel train, and straw bale slides run six days a week from mid September through Halloween.
Don’t miss: Family and full-sized corn maze routes · U-pick pumpkin patch · Hayrides and barrel train
Fright Nights at the Old Idaho Penitentiary
Haunted attractionColor nearby peaks October 15
The state's actual 19th century territorial prison turns into a haunted house for adults only nights each October, with actors working the old cell blocks and infirmary where inmates really lived and died. It bills itself as Idaho's only haunted cell house, and it is not exaggerating.
Don’t miss: Real 1870s territorial prison · Terror on Cell Block 4 · 18-plus, photo ID required
Frequently asked
- When does Teton Scenic Byway peak in 2026?
- Peak color is predicted for September 25–September 29 (best estimate September 27). Color starts around September 12 and is mostly bare by October 18.
- What is Teton Scenic Byway best for?
- The Tetons' quieter Idaho side.
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