Every year I reluctantly hang on to summer and desperately resist the coming of Fall.  Despite my best efforts the days keep getting shorter, the nights have a chill, and heck it is mid-September and it just snowed in the Sierra!  So, I will throw in the towel and look forward to Halloween and Fall Colors.  Hopefully, this post will give you a bit of trivia to impress your friends and a lot of information on how to successfully see the Fall colors in the Sierra.

Why do leaves change color?

The short answer is simply the leaves get less light.  There is more to it than that!  Here is your trivia facts that you can use to impress your fellow Fall Color lovers. 

Trivia Fact 1. In fall the days grow shorter.  The reduction in the total amount of light the tree leaves receive induces a chemical change causing a corky wall to form between the twig stem and the main portion of the leaf. 

After a while this corky wall causes the leaf to drop off the tree. Before it falls however, the wall blocks the in and exit vessels which traps sugars in the leaves. With reduced light an no new food the green chlorophyll pigments die.  This allows us to see the two other pigments the leaves always have had - carotene (yellow) and anthocyanin (red).

Trivia Fact 2. The reason the leaves look more vibrant after sunny days is that the sunlight continues to produce anthocyanins after the blockage occurs.  During cloudy days less anthocanin is created and the leaves take on a more pastel tones.

Eastern Sierra Fall Colors Locations

While the Maine, Vermont, and the Rockies are better known for their fall colors there are plenty of places in the Eastern Sierra that put on quite a show. As the California Fall Color Web Site says “Dude, autumn happens here too.”  Here are a some of the locations that usually have good showings:

• Big Pine Canyon
•  Bishop Creek Canyon
• Lower Rock Creek
•  Rock Creek Canyon
•  McGee Creek
•  Convict Lake
• June Lake Loop
• Sagehen Summit (Hwy 120)
• Lee Vining Canyon
• Lundy Canyon
•  Virginia Lakes
•  Conway Summit
• Walker River Canyon
• Lobdell Lake
• Monitor Pass
• Hope Valley

Viewing Etiquette

During the peak viewing time, there are tons of site-seers and photographers.  Lately there are a lot of Photography Tour groups as well.  There is enough beauty to go around to see so folks please be respectful of your fellow viewers!  I remember a time where I was at North Lake very early in the morning.  The sunrise was so beautiful and peaceful.  That was until a large group of tourist that had broken up into two groups decided it was okay to loudly yell things to each other across the lake, ruining the peace for all others.  Think before you yell, walk in front of someone’s camera scene, or bogart a location while other photographers are waiting behind you.

Incredibly Helpful Resources for Planning Your Trip

 Generally, the colors start changing first at higher altitudes usually in late September and the 1st week in October is best overall for color viewing. Unfortunately, it is not that simple.  The change in fall colors is a very fickle thing.  It does not always start on time.  One location might look gorgeous one day then after a sudden wind storm, cold freeze, or snow storm be totally decimated the next day.

Fortunately, there are a lot of kind people that actively track and publish the current conditions.  Some of the best sites are:

• California Fall Color
• California Fall Color Map
• Parchers Bishop Creek great for the Bishop Creek Canyon; North Lake, South Lake, Aspendell, and Lake Sabrina.
• Mono County Fall Color
• Calphoto Yahoo Group need to join.
•  Sierra Fall Colors
• Natural History Wanderings Foliage Reports

Best blog post and How To Book

G. Dan Mitchell provide an incredible amount of valuable info!

·         Sierra Nevada Fall Color Season – Coming Sooner Than You Think!

Hope this helps you in your quest to see one of nature’s best shows.  Maybe I will see you out there among the colors!

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