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Penns Valley: Highway 45, Penns Valley, Pennsylvania
Photo: Nicholas A. Tonelli from Northeast Pennsylvania, USA · CC BY 2.0

Drives Pennsylvania Pittsburgh, the Laurel Highlands and Central Pennsylvania

Penns Valley: Highway 45

PA 45, Penns Valley Road · Boalsburg → Mifflinburg

Leisurely41 mi55 min1,900 ft climbHigh point ≈ 1,500 ftOne way
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The drive

PA 45 leaves Boalsburg along Boal Avenue and heads east into Penns Valley, an agricultural valley. It follows Penns Valley Road north of Spring Mills, enters Millheim as West Main Street and runs on through the valley to Mifflinburg, entering as Chestnut Street.

Penns Valley is a cluster of small communities along the main road, including Millheim, Centre Hall and Spring Mills. Millheim's historic district includes 176 Georgian and Victorian buildings. Mifflinburg was once known as Buggy Town for its more than fifty buggy and sleigh factories in the 1880s.

Drivers through Penns Valley frequently share the road with the horse-drawn buggies of local Amish residents.

Along the way

  1. Boalsburg
  2. Spring Mills
  3. Millheim
  4. Mifflinburg
Elevation
1,900 ft of climbing · high point ≈ 1,500 ft
BoalsburgMifflinburg
Curves
Mostly gentle curves
BoalsburgMifflinburg
GentleHairpins

Good to know

  • Drivers frequently share PA 45 with Amish horse-drawn buggies; slow down and pass with care.
  • Check 511PA for closures before you go.

Open all year, weather permitting. Roads close for snow, fire, storms and repairs: before you set off, check 511PA (PennDOT road conditions and closures).

Questions about this drive

How long does Penns Valley (PA 45) take?

PA 45 from Boalsburg to Mifflinburg is 41.1 miles and takes about 55 min.

Will I meet buggies on PA 45 in Penns Valley?

Yes, likely. Drivers through Penns Valley frequently share the road with the horse-drawn buggies of local Amish residents.

Where does Penns Valley: Highway 45 start and end?

This drive starts at Boalsburg and ends at Mifflinburg, 41.1 miles in all.

What you get in the app

Turn by turn, on this roadSpoken directions along the exact route. Carve never reroutes you onto a faster one.
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Distance, time, elevation, curves and intensity are from Carve's route. Checked 2026-10-28.

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Map of Penns Valley: Highway 45, from Boalsburg to Mifflinburg