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RM 674: Brackettville to Rocksprings, Edwards Plateau, Texas
Photo: Mark Gustafson · CC BY-SA 4.0

Drives Texas Big Bend and West Texas

RM 674: Brackettville to Rocksprings

RM 674, RM 334, US 377 · Brackettville → Rocksprings

Leisurely60 mi1 hr 15 min3,000 ft climbHigh point ≈ 2,400 ftOne way
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The drive

RM 674 is the long back road from the Rio Grande plains up onto the Edwards Plateau. It starts in Brackettville, the Kinney County seat, which grew up in the 1850s as a supply depot for Fort Clark, and heads north out of town. Just north of Brackettville is Alamo Village, the set built in 1959 for John Wayne's The Alamo, now closed to the public.

The road runs north, then north-east, across open brush country, and the land folds into hills as it climbs toward the plateau. Kickapoo Cavern State Park, the stop, is along RM 674 in the hills; its Stuart Bat Cave holds thousands of Mexican free-tailed bats from spring through fall.

The drive ends with a few miles of US 377 into Rocksprings, the Edwards County seat, which calls itself the Angora goat capital of the world. Devil's Sinkhole State Natural Area, with millions of bats on summer evenings, is toured from a visitor center on the town square.

Along the way

  1. Brackettville
  2. Kickapoo Cavern State Park
  3. Rocksprings
Elevation
3,000 ft of climbing · high point ≈ 2,400 ft
BrackettvilleRocksprings
Curves
Mostly gentle curves
BrackettvilleRocksprings
GentleHairpins

Good to know

  • There are no towns on RM 674 between Brackettville and Rocksprings, almost 60 miles; fill up before you leave.
  • Kickapoo Cavern State Park is open Friday through Monday only, and cave tours need a reservation.
  • Devil's Sinkhole is by guided tour only, booked ahead; evening bat tours run May through October.

Open all year, weather permitting. Roads close for snow, fire, storms and repairs: before you set off, check TxDOT DriveTexas.

Questions about this drive

How long is RM 674 from Brackettville to Rocksprings?

RM 674 and US 377 from Brackettville to Rocksprings is 59.8 miles and takes about 1 hour 15 minutes without stops.

Are there services on RM 674?

No. There are no towns on RM 674 between Brackettville and Rocksprings, so fill up in Brackettville.

When can you see the bats at Kickapoo Cavern State Park?

Mexican free-tailed bats live in Stuart Bat Cave at Kickapoo Cavern, off RM 674, usually from mid-March through October, and leave the cave at dusk.

Is Kickapoo Cavern State Park open every day?

No. Kickapoo Cavern State Park on RM 674 is open Friday through Monday and closed Tuesday through Thursday. Cave tours run on Saturdays by reservation.

What you get in the app

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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 RM 674: Brackettville to Rocksprings, from Brackettville to Rocksprings