On Loma Blanca Rd, Roma, Starr County, Texas
37.75 mi
Length
978 ft
Elev gain
981 ft
Elev loss
472 ft
Max elevation
gravel 74%
pavement 26%

Elevation Click the profile for Street View

I would suggest to turn back when you get to pavement. Shoulders are very narrow, and traffic is fast.
0 votes
 Carlos Guerra
on July 3, 2020
Only around 18 miles are gravel.