Forum Discussion
robbiesgram
Jan 07, 2016Explorer
Volunteered at Big Bend Ranch State Park for 3 winters so I've traveled FM170 many times. FM 170 is a twisty, slow 2 lane road,it is in decent condition. However it can be narrow in places and you will travel most of it at 45MPH or less. The only really bad place is climbing the "Big Hill", which is a 13% grade up and then 13% grade down, with a low rock guard wall. We have driven it with a 36ft DP, towing both an F150, 2nd time a crown vic and had no problems driving it.
There are no services on FM 170, also no tunnels, etc to go through. It wasn't heavily traveled when we were there, but a lot of delivery trucks use it between Presidio and Terlinqua.
It's a wonderful drive, as stated earlier, it follows the Rio Grande most of the way, just be on the watch for horses, burros, mountain sheep, and other wildlife on the road.
Stop at the Barton Warnock visitor's center and tour the gardens and other exhibits at the VC. They have an excellent exhibit of the history of the geology of the area.
There are no services on FM 170, also no tunnels, etc to go through. It wasn't heavily traveled when we were there, but a lot of delivery trucks use it between Presidio and Terlinqua.
It's a wonderful drive, as stated earlier, it follows the Rio Grande most of the way, just be on the watch for horses, burros, mountain sheep, and other wildlife on the road.
Stop at the Barton Warnock visitor's center and tour the gardens and other exhibits at the VC. They have an excellent exhibit of the history of the geology of the area.
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