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Siphon Creek Rise

WorldBlue  In short

Some kilometers to the east from Hollingworth Bluff part of Santa Fe River goes undergound and resurfaces in several springs. The most powerful of them is Siphon Creek Rise.

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GPS coordinates
29.8562 N 82.7331 W
Location, address
North America, United States, Florida, Gilchrist County, at the southern bank of Santa Fe River in the forest east from State Highway 47
Average discharge
3,398 l/s (2001., 1.)

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WorldYellow In detail

Santa Fe River is an unusual river – it has multiple locations where part of the river goes underground, while the rest flows as usual. After some hundreds of meters of kilometers the underground part reappears as a powerful spring.

Siphon Creek Rise system is one of such unusual places – this is a cave system that in 2007 had a known total length of some 6 km.


At first come siphons – places where the river water goes underground. In this area are at least three such named siphons and the best known are the Big Awesome Siphon (Big Awesome Suck) and Little Awesome Siphon (Little Awesome Suck).

Big Awesome Siphon is a peculiar landmark: an approximately 1.5 m wide, noisy vortex, where the water of Santa Fe River goes underground, swirling like a tornado. It is located some 1.6 km upstreams from Siphon Creek Rise, at the north bank of Santa Fe, coordinates: 29.8536 -82.7196. This is a quite dangerous place: if one falls in it, there seems to be little chance to get out alive.

Little Awesome Siphon is much smaller, just some 0.3 m wide.

Springs – resurgences

After flowing under Santa Fe River for 1-2 km the water comes upwards. There are at least four named springs – resurgences of Siphon Creek Rise system.

Siphon Creek Rise is the most powerful resurgence of Santa Fe Waters from this underground system.

This resurgence is under the river level, but from the river bank can be seen the cave opening in the limestone at the depth of 3.6 m.

The discharge of the spring is fluctuating and at some times it can be very powerful.

On the opposite, northern bank of Santa Fe River some 230 m below the Siphon Creek Rise is another very interesting spring – Myrtle’s Fissure. This is a true fissure in limestone, at least 18 m deep “cut” in the forest. This spring also belongs to the system of Siphon Creek Rise caves.


  1. Appendix 2-2: Descriptions of Priority Springs (PDF file), Suwannee River Management District. Accessed on September 10, 2023.
  2. Big Awesome Siphon/Suck (PDF file),Springs Fever: A Field & Recreation Guide to 500 Florida Springs. 3rd Edition by Joe Follman and Richard Buchanan. Accessed on September 22, 2023.

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