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Mt. Princeton Road Trailhead
Added by BillMiddlebrook

Location:  Sawatch Range
14ers Served:  Mt. Princeton
Road Type:  Easy 4WD, good clearance recommended. 3   (0=Paved, 6=Very Difficult 4WD)
2WD dirt to the lower TH. 4WD access to 12,000'.
Directions:  From Buena Vista: From the center of town, drive west on the County Road (CR) 306 for 0.7 miles. Turn left on CR 321 and continue south for 7.2 miles. Turn right onto CR 322 at a large sign. From South of Buena Vista: Over 5 miles south of the U.S. 285 / 24 junction, turn west on County Road 162 in the town of Nathrop. Drive over 4 miles to a junction. Turn right on CR 321. After 1.2 miles, turn left on CR 322.

On CR 322, drive 0.8 miles to a fork in the road. Bear right into the Mt. Princeton trailhead. This trailhead is at 8,900' and there is a large parking area. If you have a good clearance 4WD, you can continue up the narrow 322 (Mt. Princeton) road. Just after the lower parking area, there is a fork in the road - stay right on the main road. Drive 3 miles to the radio towers at 10,800'. There is parking here for a couple of vehicles or turn left and continue on the 322A road. Between 3.2 and 3.4 miles up the Princeton road, there are some small camping spots near 11,000' - with some parking. The road gets worse after the camping spots and there is very limited parking above this point.
Winter Access:  Closed at the lower TH.
14er Trailheads on Google Maps
Date Status Information Posted By  Photos  Comments Likes Dislikes    
2013-08-29 Drove an Xterra to 11,000‘ with no issues- road was wavy, but otherwise great. Could have driven further, but parking is very limited (one person parked so far out on the edge, a good thunderstorm could have sent the vehicle for a 2,000‘ roll!). EKassan         
2013-08-05 We took my 2005 AWD Subaru Forester up to the radio towers. We actually drove up in the dark, and so I couldn‘t see exactly what I was getting myself into (both a good and a bad thing, I think). We only stopped at the radio towers because my car was emitting a rather strange smell after about 2.5 hours of straight driving from Aspen and we thought it would be best to stop where we knew we could park without a problem. There were a couple of times when I wished I had a little bit more clearance just to be certain I wasn‘t damaging anything, but overall I felt ok about driving the road. Just go slowly, and around some of the bigger potholes it‘s easier if you actually drive up on the side of the road rather than dipping into the potholes. It took us about 25 minutes to go up, and about 30 minutes to come down. Photo 1: on the upper portion, we walked this bit Photos 2 and 3: on the descent while driving sjverhaeghe08  3       
2013-07-03 Mt Princeton Road is completely snow free. It is somewhat rough and a 4wd is recommended. We drove a Honda CRV and had no problems. It took us about 25 minutes to get to the radio towers from the lower parking lot, but it was well worth it. We arrived at the Radio Towers (10,800‘) at 5:45 AM and no one else was there, even at 7:40 when we left to summit there was still parking (we got there so early we took a nap). As we walked 50 - 100 yards up the road from the radio towers we passed multiple other spots that could be used for parking. I am guessing there is room for six to seven cars at the radio towers and another six to seven just up the road from the radio towers. The first 1.5 miles of the hike is on that gravel road. Enjoy. Ramsey Boys         
2013-06-19 I drove my 1976 VW Baja Bug up the Mount Princeton Road, and stopped at the switchback below the radio towers. The road has some bumps that require decent clearance, but my car has about 8-10 inches, and I only scraped the back bumper once or twice. Also, this road is pretty steep, so you\‘ll need some power. No snow all the way up, but at about 10,500 on either side of the switchback below the towers, there is a large pothole, but can be avoided pretty easily. shaberer0511    4      
2013-06-08 Made it past the communication towers in my Subaru Outback, no problem. Road almost clear the whole way, but definitely until the switchbacks. See photos of snow drift blocking road up the 2nd switchback and check out how much the snow melted in just one day (see the wet ground)! Road was not passable this morning, but someone was able to drive across before I got back. MissH  2       
2013-06-01 Road to the trailhead (radio towers) is clear. dcvessey         
2013-05-21 Mt. Princeton Road to the campsites/pullouts above the towers is now open. After the campsites however, the road is still covered heavily with large drifts. BTW, the towers have a small helipad which is how they get heavy things up there. ThePopp  4  1    
2013-01-28 One can drive easily in a 2wd to the lower trailhead (parking lot). Road is a patchwork of mostly mud/dirt and hard-packed snow. Some ice. Roughly a mile and a half up, the road became all snow, again, hardpacked. The ice flow wasn‘t bad. However, as I left, it was snowing pretty hard with white out conditions. The snow, from this second punch, was a lot drier than the first storm only 24 hrs earlier. Whiteout conditions in town even. So, take this conditions report with a BIG grain of salt. Kiefer         
2012-12-02 The patch of ice below the radio towers was still there. It had perhaps melted a bit since the pictures from 11/23, but still not passable by any of the three parties on the mountain today. scootmanjones         
2012-11-24 Large sheet of ice on the road maybe 1/2 mile below the towers - don‘t try to cross, you‘d have serious issues trying to negotiate the way down. Other than that, snow free and just a bit bumpy, standard 4wd. speth         
2012-11-23 We took a 2005 Subaru Outback to 10,400‘ before we had to stop because of ice on the road (see pictures). This spot is 0.7 miles below the radio towers, and fortunately there was a small space right below the ice that we were able to park. The road below was better than we expected, although still quite bumpy, and we never bottomed out. DanielL  3       
2012-11-18 I drove my Chevy Silverado to ~10,575 feet before I encountered a large ice patch that seemed impassible (See the photo). It is quite long, maybe like 50 yards. One guy behind our group decided not to try his luck in his 4-runner. However, on our way hiking down the road there was a Jeep Cherokee above the ice patch. Speaking to the driver, he indicated he needed to get to the Chalet so he used is 9000lb wench to pull him past the patch. If you have a wench, the road is pretty clear after that ice patch and there isn‘t any deep snow (at least until the trailhead). WSC_Geologist12  1  2      
2012-10-15 A 2wd with decent clearance could probably make it to the radio towers. To get up above that requires 4wd. Other than that no surprises, I have 8 inches clearance and got to the very top with only minor scrapes to the skid plates here and there. Just be smart about your line to get around the bigger rocks. nrubey  2       
2012-09-17 Drove a 4WD Jeep up & past the radio towers. Made it to the last switchback before the trail leaves the road with no problem. Road was as you would expect - rocks in road - no clearance issues. Snow fell today for the first time on Mt Princeton - road was wet on my way down, but no issues. Eric7040         
2012-08-08 Got my 2WD Accord (6.2‘‘ of clearance) up to the camp spots a little past the radio towers. I did not scrap anything on the way up although I was tense driving up there due to not having great visibility due to the darkness. I waited until the sun had set before heading up there to give me the best chance of NOT running into an oncoming vehicles (a less than desirable situation given the narrowness and lack of turnoffs on the road). On the way down, I didn‘t run into any oncoming which is vehicles, but I did scrape a few times. It probably could have been avoided by taking a better line over the dips and riding my brakes harder. Evaluate the probability of running into a descending car and whether you‘re willing to take that chance as well as put strain on your car‘s brakes on the descent. Fisching         
2012-07-10 Drove my Subaru Forester all the way to the trailhead. However, only one parking spot there, and not a good one, so drove back down to just above radio towers and camped on a nice flat spot. No problem in driving almost anything to the radio towers, although a little extra clearance would be helpful in some areas cfb    1      
2012-06-14 The road up to and past the radio towers was completely clear and dry yesterday. From my assessment, the big humps and dips were the only things that would be problematic for a lower car. We didn’t see any significant rutting. The road to and past the towers is wide enough for only one vehicle, except at the switchbacks where there is a little room to pull off or turn around. My manual tranny, AWD ‘07 Forester XT Limited easily made it as long as I didn‘t get stuck behind anyone going uphill (we had to stop and wait a few times for a slow-moving Xterra to make his/her way up after we caught up to them each time). My vehicle has approx 7.9" clearance and 99.4" wheelbase with extreme performance summer tires. My car could easily have made it all the way to the trailhead at the rock stairs, but we decided to camp at one of the 3-5 sites just above the radio towers. An Impreza wagon did make it to one of the first camp sites past the towers, and the driver said he only scraped the front panel once. There was a Corolla parked about 0.2mi below the radio towers, but I wouldn’t recommend it. Photos show the road on the descent. AeroFaze  3  2      
2012-05-20 The conditions were clear! Drove up in 4-wheel drive, higher clearance vehicle, and stopped near the radio towers at 10,800‘. Barely any snow. We could have kept driving up to the last parking area before the road ends, near the forest service building, but walked that instead from the 10,800 route. I‘d recommend a higher clearance vehicle. We saw a Subaru Outback parked near where we parked, so they were able to make it, but I‘m guessing they probably scraped bottom a few times. RossZahuranec         
2012-05-20 As a reference for others wondering about this trailhead, we took a Subaru Outback Sport (not a full Outback but the Impreza frame) with 6.1" of clearance past the radio towers to the camping/parking spots with very little trouble. I completely agree meeting someone going the opposite direction on much of this road would require some creativity but the road is not THAT rough (completely personal opinion of course). The water bars are the toughest parts but if you have the right approach/deproach angles you should be good with anything above the 6" clearance. It was close a few times with the Outback Sport so I‘m sure a sedan can do it but there might be a bit more scraping. No real significant rocky/rough sections otherwise. E-dorvs         
2012-05-20 Road is snow free almost to where the trail leaves the road and could be driven to that point by any 4wd with some clearance. I managed to make it all the way to the end of the road, so its basically summer conditions at this point except for a few drifts past the point where the trail leaves the road. metalmountain         
2012-04-29 The road is snow free and driveable to the radio towers by any 4wd with decent clearance. For this section I‘d be more concerned about meeting an oncoming car than I would be about the possibility of bottoming out. We met someone who took a Honda Accord and said it was "too aggressive," so maybe don‘t bring one of those. You can drive a bit past the radio towers to some spots (room for ~2-3 cars) on the right hand side of the road, or even further to a prominent switchback if you want. Beyond this switchback the road has snowdrifts and is impassable. Where the trail branches off the road is completely snow-covered, so it‘ll be at least a few weeks before you can drive to here. My Honda CRV (stock, AWD 2007) could have made the radio towers easily. Photo 1: Dillon standing across the road from where the trail branches off, the stairs and cairn are completely buried but you should be able to spot footprints in the snow pretty easily. Photo 2: A poor shot of the parking just past (~.25 miles) the radio towers. Space for 2, maybe 3 cars here. Photo 3: Typical road conditions. I wouldn‘t worry about bottoming out in an SUV, but running into an oncoming car could be a real problem (you can forget about passing anyone on this road, or turning around for that matter. Unless you like 5000 point turns). RJansen77  3  4      
2012-04-22 The road is clear all the way to the Radio Towers. You can go about another 300 ft. but thats it. Nothing but deep snow drifts after that. Taillon75         
2012-03-30 Road is accessible to any 4x4 to around 9500 ft. There are some parking spots near the Colorado Trail junction. There is a large snow drift on the right side of the road at 9,553. Above that drift the road is relatively clear until 10,260 ft, after that there is a lot of ice. dehrlich101  1       
2012-03-23 No snow on the CR 322, and is accessible by any vehicle to the parking lot. We only went .4 miles up the CR 322 "Mount Princeton RD" towards the radio towers and encountered some snow. A 4x4 could probably make it up the road a little farther. dehrlich101         
2012-03-15 Road above the Frontier Ranch trailhead parking lot is still blocked with snow and ice. Mujahid    1      

Just past the switchback at the radio towers, these icy blocks block your path. (Added by: Aubrey on 2009-05-03)Not technical, but you need hi–clearance for erosion bumps. Few places to pass. (Added by: Aubrey on 2009-05-03)Not technical, but you need hi–clearance for erosion bumps. Few places to pass. (Added by: Aubrey on 2009-05-03)Going up the road Saturday 16 Oct 09  mid afternoon (Added by: ColoNativeinPA on 2009-10-20)1st Choice after Hot Springs (Added by: ThePopp on 2013-05-22)2nd Choice (Added by: ThePopp on 2013-05-22)3rd and last choice (Added by: ThePopp on 2013-05-22)

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