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Lassen Volcanic National Park Exploration Excursion

  • Friday, October 11, 2019
  • 5:00 PM
  • Sunday, October 13, 2019
  • 6:00 PM
  • Lassen Volcanic National Park
  • 0


Registration is closed

We’re headed north to Lassen Volcanic National Park! Lovers of geology, tranquility, and nature are sure to love this weekend getaway. The opportunities are endless as you can find boiling mudpots, lakes, lava caves, hot springs, and four different types of volcanoes (some active!) in this national park. 

We’ll start off with a magical 5 mile round trip hike of Lassen Peak with 2,000' elevation gain to the summit of nearly 10,500'. We’ll be rewarded with amazing views all the way up and incredible 360 degree views of the national park including Manzanita Lake from the summit. This is arguably the best vantage point to contemplate the power of the 1914-17 eruptions. 

Photo by from Pexels

Next we’ll check out some nearby steamy hydrothermal features such as boiling mudpots, roaring fumaroles, and sulfurous gases (rotten-egg smell). Bumpass Hell is where we’ll find one of the world’s hottest fumerols, Big Boiler, as it’s been known to reach up to 322 degrees Fahrenheit. Make sure you stay on the trail here! Sulphur Works boasts a 5-foot mudpot which is all that remains of an extinct volcano known as Mount Tehama. Little Hot Springs Valley features a chalk-colored hillside hilariously named Fart Gulch. The sulfur smells makes this area easily identifiable. 

Photo by Pixabay from Pexels

We’ll spend the afternoon at Manzanita Lake. If you aren’t too tired after our earlier adventures, you can stroll along the lakeside trail to take in the beauty of the park and to get a different view of Lassen Peak. If the weather cooperates, you’ll be able to take some impressive pictures of Lassen Peak from the reflection on the lake. Canoes, kayaks, and paddle boards are available for rent.

Photo by Pietro de Grandi on Unsplash

After some fun at the lake, we’ll put on our jackets, bust out some flashlights, and explore Subway Caves, one of the largest lava tubes in the world. This natural phenomenon was formed when lava flowed in this area and crusted around the edges of a main flow that eventually emptied out to create a tunnel-like structure. 

Image by Free-Photos from Pixabay

After a full day at the park, we’ll head back to our lovely cabin in the woods. This luxurious mountain retreat is the perfect place to relax and unwind. There are multiple decks for dining, relaxing, and watching the creek roll by. 

Image Credit: VRBO

This trip is sure to max out so register now to secure your spot for exploring the beautiful and serene Lassen Volcanic National Park!


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Host: Kirk S, Andrew L, Allison R

Registration Price
Premium Members: $199 for 2 nights ($259)

Pay Per Event Members: $239 for 2 nights ($299)
includes 1 month of premium membership

Upgrade to Premium

This includes:
- Coordination of carpools to Lassen National Park and back
- 2 nights in a comfortable bed in our luxurious cabin in the woods
- All breakfasts, lunches, and dinners
- Snacks (fruits, veggies, cheese, crackers, and desserts)
- All alcohol (beer, cider, wine, champagne, and mixed drinks)
- All beverages (water, tea, coffee, soda, and sparkling water)
- Games (board games, party games, and video games)
- Parties (karaoke and dance party)

IMPORTANT: Transportation costs are not included

Send your payments using:
Venmo: @SFUAC
(Please use friends and family option for PayPal)

Your payment secures your spot. An RSVP alone does not count.

IMPORTANT: You must fill out this survey when you RSVP.
Otherwise you will be removed from the RSVP list.

The Plan
- Carpool to our cabin in the woods
- Settle in with a welcome drink and snacks
- Meet everyone else on the trip
- A light meal will be served

- Breakfast at the house
- Drive to Lassen Volcanic National Park
- Hike Lassen Peak
- Explore hot springs and hydrothermal pools
- Relax and hang out at Manzanita Lake
- Explore Subway Cave
- Drive back to our cabin
- Relax and unwind
- Dinner at the house
- Drinks, games, dancing, and karaoke

- Breakfast at the house.
- Pack up and check out by 10AM
- Explore more sights in the area
- Carpool back to SF
- Optional group lunch/dinner on the way home

The planned activities are all optional. You are free to do what you wish on this trip. 

Please fill out the carpool form here

Drivers, please indicate where and when you are leaving. Passengers can sign up for an available car or the wait-list if none are available.

Passengers are responsible for splitting gas/toll costs

Image by David Mark from Pixabay

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