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Need Mileage on JMT

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Need Mileage on JMT

Postby SoCalCPA » Mon Feb 24, 2014 9:14 am

Hi everyone -

I just got permits for a short section of the JMT (Reds Meadow to Florence Lake) - I checked out topos on line for distances but don't have estimated mileage on each day - If someone could help me out I would be most grateful - Here is the itinerary

Reds Meadow to Virginia Lake
Virginia Lake to Silver Pass Lake
Silver Pass Lake to Bear Creek
Bear Creek to Sallie Keyes Lake
Sallie Keyes Lake to Florence



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Re: Need Mileage on JMT

Postby oldranger » Mon Feb 24, 2014 11:12 am

SoCal…

Get a Harrison map for estimated distances. But more important than distance is vertical!

Mike
Mike

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Re: Need Mileage on JMT

Postby markskor » Mon Feb 24, 2014 11:31 am

Mountainman who swims with trout
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Re: Need Mileage on JMT

Postby Wandering Daisy » Mon Feb 24, 2014 7:50 pm

Doesn't anyone know how to calculate miles and elevation gain from topo maps anymore? Have we all become dependent on miles and elevation gain posted by others on the internet?

The map series "Map-Pack of the John Muir Trail has mileage. You could also use a program like TOPO. But the old fashioned way also works - get the 7.5 topo maps (of download free from internet USGS site, and print out the parts you need - be sure to print to scale NOT to fit page). measure distance and count contour lines. To plan a trip you do not need the miles to the tenth of mile - you can do pretty good with a ruler and string.

I use this little rule of thumb to estimate time on the trail

2 mph for trail hiking (1.5 mph first couple of days if you are acclimating, 2.5 mph later in trip when you are in great shape)
1 hour per 1000 feet elevation gain
10-15 minutes for each rest stop
15-30 minutes for each creek crossing that requires wading
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Re: Need Mileage on JMT

Postby maverick » Mon Feb 24, 2014 10:05 pm

WD wrote:
Doesn't anyone know how to calculate miles and elevation gain from topo maps
anymore? Have we all become dependent on miles and elevation gain posted by
others on the internet?


:nod:
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Re: Need Mileage on JMT

Postby SoCalCPA » Tue Feb 25, 2014 8:35 am

Than you all! Great advise and links - I much appreciate it!
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Re: Need Mileage on JMT

Postby intrek38 » Tue Feb 25, 2014 8:00 pm

Wandering Daisy wrote:Doesn't anyone know how to calculate miles and elevation gain from topo maps anymore? Have we all become dependent on miles and elevation gain posted by others on the internet?



Thanks WD, I was thinking the same thing. Yes, we have become to dependent on this internet. Most of the printed maps I buy have the milage printed up on them and I just and them up. I'll give your rule of thumb tip a try the next time I get out..
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Re: Need Mileage on JMT

Postby Wandering Daisy » Tue Feb 25, 2014 9:40 pm

That rule of thumb is from the "old days" with heavy packs - say 12 days food. If you go UL you can drop to 1/2 hour per 1000 feet gain, or even less. I use this on most of my trips and it is pretty close. How far you can go in a day has more to do with how many hours per day you are willing and able to keep walking. The only way you can make the longer daily miles is get up early and to keep walking! I rarely take a rest break over 10 minutes and maybe only four breaks for an 8 hour day. It usually is not the actual rate of travel that slows people down, but all the stops and not being able to get going early enough. Sort of the old "tortoise vs hare" story.
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