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Sinks Canyon State Park

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About Our Site - Sinks Canyon State Park


Sinks Canyon State Park is located in west central Wyoming just south of Lander, WY. The park is situated in the Wind River Mountains on the middle fork of the Popo Agie River. The site is named after distinct geologic phenomena in which the Popo Agie river disappears into a limestone cavern and reappears a quarter mile down canyon in a placid pool filled with 8 - 12 lb. rainbow trout. The site has a variety of natural habitats which creates diversity of flora and fauna. The canyon provides a variety of recreational opportunities including nature studies, photography, camping, fishing, hiking, world class rock climbing and access to miles of mountain bike trails.

Sinks Canyon Kids Caving Event Aug. 6-9; Spots Still Available


Contact: Amanda Atkinson, 307-332-6333

An amazing experience underground is offered during the Sinks Canyon State Park annual Kids Caving Extreme event, August 6-9. Tours run from 10:30 a.m. until noon, 1 p.m. to 2:30 p.m. and 2:30 p.m. to 4 p.m.

Youth ages 18 and under are invited to participate in a guided tour of Boulder Choke Cave and experience what it’s like in an underground and 2019-Kids-Caving-Extremeundeveloped cave. The highlight of the adventure is the reappearance of the Popo Agie River.

Children nine and younger must be accompanied by an adult. Limit of ten cavers per time slot. Helmets and lights are provided.

Participants are asked to not wear any clothing or shoes that have been in any other cave in the past five years. Long pants and closed-toe shoes are required.

Register at the Sinks Canyon State Park Visitor Center beginning May 16. Caving liability forms must be signed by a parent or guardian before the tour begins.

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Wyoming State Parks, Historic Sites & Trails
A Division of Wyoming State Parks & Cultural Resources
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Plein Air in the Parks Event

Thu, Sep 12, 2019, 8:00 AM – Sun, Sep 15, 2019, 1:00 PM MDT

Find out more!


Site Status


Sinks Canyon is open year-round. Check out our hours of operation to find a great time to come visit!



  • The site is open from 6 a.m. to 10 p.m. year-round.
  • Visitors Center is open from 9 a.m. to 5 p.m. May 16 through September 15.





 Sinks Canyon State Park
 3079 Sinks Canyon Rd
 Lander, WY 82520

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