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Summer Camps 2021

Dear YSI Camp Families,

YSI staff is currently planning an exciting summer camp program that strictly adheres to new health and safety county- and state-mandated protocols. Our registration is planned to begin in early January 2021. In the meantime, if you have questions, please email camp@ysi-ca.org or call us at (408) 356-4945 x11. We look forward to seeing you this upcoming summer!
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Voted Best Science Programs in Silicon Valley
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An Unforgettable Experience With Nature
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Friendly Hiking With Each Afternoon Program
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Science Education With Every Afternoon Program
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Located in Beautiful Vasona Lake County Park
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Science Program Experts Since 1953
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Afternoon Programs run from Aug. 31 - Dec. 30
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Early Registration & Multi Session Discounts
We make afternoon science programs fun! YSI afternoon program's culture is infused with games that foster social skills and playful afternoon program activities that bring YSI afternoon science program spirit to life! All of our Afternoon Science Programs incorporate hiking, games, and arts & crafts, and feature special programs with our live animal ambassadors.

Most importantly, our exceptional staff makes our afternoon programs special. We carefully screen and interview to get high quality afternoon program staff. Our team includes passionate college students, classroom teachers, and full-time YSI educators. Our afternoon program staff receives training to ensure child safety, content knowledge, and customer service. Our afternoon program staff strives to provide personal instruction to campers and most of our science camps provide a staff to child ratio of 1:6. All YSI afternoon science program staff carry dedicated cell phones during each camp day for prompt communication, if needed.
Select CAMP for the 2020-2021 School Year
(View YSI Protocol)
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Geology - The Study of Earth: $299

Learn about the study of our beautiful planet Earth and its many natural wonders! During this week we will explore a variety of topics that cover our most important problems. From energy, water, and mineral resources; the environment; climate change; and natural hazards like landslides, volcanoes, earthquakes, and floods. Then we will evaluate how Earth's materials, structures, processes and organisms have changed over time from these natural events. Join us on this wonderful exploration, and end your week leaving as experienced Geologists!

Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)

Click available dates below to register online now!
You will be redirected to complete your payment and registration.
October 12 - 16
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Vast Voyagers Space Program: $299

Send you child blasting into space with this week long program! We will discover the many differences and similarities between the planets in our solar system plus their moons. We will also talk about many different galaxies, the ingredients of a star, and so much more during this fun filled voyage together. Plus your child will do many hands- on projects that they will bring home to share with you. It'll be a blast off!

Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)

Click available dates below to register online now!
You will be redirected to complete your payment and registration.
November 2 - 6
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Feathers, Fur, and Scales: $129

Dive into zoology with YSI! We will actively investigate different kinds of animals from head to toe, and from the inside out. Examine bones, fur, feathers, claws, teeth, scales, and skeletons to learn more about animal adaptations. Together we will meet YSI’s live animals and get an up-close look at how these animals are built for survival.

This is a 4 day week due to Veteran's Day on Wednesday.

Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)

Click available dates below to register online now!
You will be redirected to complete your payment and registration.
November 9 - 13
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Boomin Biomes: $149

Have you ever heard the word biome? Biomes are a community of plants and animals that have common characteristics for the environment they exist in. They can be found over a range of continents. Biomes are distinct biological communities that have formed in response to a shared physical climate.

During your week with YSI, you will learn all about the variety of natural habitats and the animals that live among them. You'll also talk about what key differences these animals have to help them survive in that specific biome that makes them so special! You'll have a boomin' time!

Design, build, and test different ideas to create robots that you can take home to share with your family! Robots can be extremely complex creations, but they can also be very simple! Our instructors will be working very closely with you to make some really awesome creations!

Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)

Click available dates below to register online now!
You will be redirected to complete your payment and registration.
November 16 - 20
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Rockin Robotics: $179

Design, build, and test different ideas to create robots that you can take home to share with your family! Robots can be extremely complex creations, but they can also be very simple! Our instructors will be working very closely with you to make some really awesome creations!

This is a 3 day program, due to the Thanksgiving Holiday.

Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)

Click available dates below to register online now!
You will be redirected to complete your payment and registration.
November 23 - 25
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Wild and Whacky Weather: $149

Have you looked outside lately and thought, Wow! This weather is Wild and Whacky! Well we did! So why not have a week long program to talk all about the good, the bad, and the ugly sides of weather! Plus, why not throw some hands-on projects in to keep it interesting? You'll leave YSI thunderstruck!

Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)

Click available dates below to register online now!
You will be redirected to complete your payment and registration.
December 7 - 11
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Nocturnals in the Night: $149

Have you ever been out at night, and heard something moving in the trees, or seen something streak across the sky in a blur? Join YSI in discovering the many possibilities of what you could have seen! From bats, to possums, to owls, our instructors will teach you about all the native nocturnal animals you can find, and even some that are non-native. You might even get to meet some nocturnal animals in person, too!

Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)

Click available dates below to register online now!
You will be redirected to complete your payment and registration.
December 14 - 18
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The Science of Magic: $179

Would you like to know some of the secrets of magic tricks? YSI has you covered, or uncovered rather! We will dig down and search for the mysteries behind the magic, and also learn some tricks of our own so you can take your knowledge home to impress your family!

This is a 3 day program, due to the Christmas Holiday.

Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)

Click available dates below to register online now!
You will be redirected to complete your payment and registration.
December 21 - 23
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A Passion For Prehistorics: $179

Are you a fan of the old days? At YSI, we mean the OLD old days! Learn about dinosaurs, sabretooth tigers, and other prehistoric creatures, plus look at some awesome fossils! Make awesome crafts like an ice volcano, and you may even get the chance to test for fossils in a rock! We have a prehistoric passion, and so will you!

This is a 3 day program, due to the New Year's holiday week.

Location: Vasona Lake County Park (333 Blossom Hill Rd., Los Gatos, California 95032)

Click available dates below to register online now!
You will be redirected to complete your payment and registration.
December 28 - 30

Frequently Asked Questions

YSI Afternoon Science Programs will be from 1:00-5:00pm Monday through Friday. Each afternoon program will be a combination of 12 children going into grades 1-6.

Are there multi-session discounts?
10% OFF 3rd week plus all additional weeks. For Example: If you are registering your child for 4 (non-sequential) weeks, then the first 2 weeks will be full-priced science camps, and the following 2 weeks will be 10% off!

Are there multi-person discounts?
5% OFF all camp weeks for the 2nd child registered plus all additional children registered. For Example: If you are registering 4 children, the 1st child registered will have a full-priced science camp, & the following 3 registered will each have 5% off their science camps!

Is Financial Assistance offered?
Yes, there is. Click here to find the appropriate paperwork to submit.

Are there any YSI Summer Science Camp extensions available?
There are early-drop-off and extended-camp options to meet your scheduling needs! All of our summer camps for 1st grade and older have the option to add an Extended Day Camp that runs from 1:00pm - 5:30pm. The cost of this extended day is $139 per week.

For preschool and kindergarten aged science camps we offer an Extended Morning Camp that runs from 11:30am -1:00pm at $65 per week.

All camps also offer an Early Morning Drop-Off extension from 8:00am - 9:00am at $39 per week.

What ages can attend YSI Summer Science Camp?
YSI's Summer Science Camps are weekly, half-day camps that run from 9:00am-11:30am for our preschool and kindergarten camps, and from 9:00am-1:00pm for our campers entering 1st-6th grades. All preschool campers must have a birth date before January 1, 2020 and be able to use the restroom independently.

Where and when is YSI Summer Science Camp?
All YSI Summer Science Camps are located in beautiful Vasona Lake County Park with new sessions starting weekly from June 1st through August 14th.

Do you have an immunization policy?
Yes, we do. Click here to read our immunization policy.