Sleeper State Park

Sleeper State Park Sleeper State Park is 723 acres of forest and dunes located on Lake Huron. Enjoy camping on one of 226 sites, hiking the trails, or swimming at the beach.
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Sleeper State Park is 723 acres of forest, wetlands, sandy beach and dunes located on the Saginaw Bay of Lake Huron.

We currently have the double red flags up at the beach. Due to the beach advisory posted by the national weather service...
08/02/2026

We currently have the double red flags up at the beach. Due to the beach advisory posted by the national weather service, high surf, high wind and dangerous currents.

Day 9 of 9 of moth week, and our last species a rosy maple moth (Dryocampa rubicunda). These moths are North American si...
07/26/2026

Day 9 of 9 of moth week, and our last species a rosy maple moth (Dryocampa rubicunda).

These moths are North American silk moths and are known for their vibrant pink and yellow coloration, fuzzy bodies, and feathery antennae.

They are some of our staffs favorite and easily found in the park.

Day 8 of 9 of moth week. So sad we are almost at the end! Today’s species is a Waved Sphinx moth (Ceratomia undulosa), T...
07/26/2026

Day 8 of 9 of moth week. So sad we are almost at the end! Today’s species is a Waved Sphinx moth (Ceratomia undulosa),

This moth is identified by its gray and brown patterns, and is known for the distinct wavy lines on their wings.

Check out the second photo, doesn’t it have the cutest face 😊!

We are continuing on with moth week day 7 of 9. So sad we are almost done with these fun posts. Should we continue next ...
07/24/2026

We are continuing on with moth week day 7 of 9. So sad we are almost done with these fun posts. Should we continue next week with a different theme?

Also, Sorry we missed day 6, our ranger who posts is on vacation and may have forgot yesterday. So to make up for it we are posting TWO species today!

Species one is a Virginia Creeper Sphinx moth (Darapsa myron). These moths are often seen resting on walls or tree trunks. Can you guess what their main diet is? There may be a clue right in the name 😊.

Species two is a Large Yellow Underwing moth (Noctua pronuba). When they fly they show off their bright yellow hind-wings, but when they are resting they often rest with their forewings closed, causing them to appear brown or tan. This species is quite popular in our day use are.

Moth week continues on today with day 5. Today’s species is a Virginian Tiger Moth (Spilosoma virginica).This species kn...
07/22/2026

Moth week continues on today with day 5. Today’s species is a Virginian Tiger Moth (Spilosoma virginica).

This species known for its pure white wings and fluffy white body. While typically white, these moths have a few small black spots on their wings and distinctive orange and black patches along their abdomen.

This species is the adult form of the familiar yellow or brown "woolly bear" caterpillars.

Keep an eye out for these in the park, they love hanging out around the lights on the bathroom building.

Day four of moth week! Are you getting tired of our moth photos yet? We aren’t and our staff is loving the challenge of ...
07/22/2026

Day four of moth week! Are you getting tired of our moth photos yet? We aren’t and our staff is loving the challenge of snapping photos of them this season!

Our next species of moth is a Modest Sphinx moth (Pachysphinx modesta).

This moth is a large moth characterized by its grayish-brown, scalloped forewings.

These moths are also known as the Big Poplar Sphinx and can have a wingspan of up to 3 to 5 inches! Now that’s impressive!

Day three of moth week, and today’s moth is a Blinded Sphinx moth (Paonias excaecata).A few fun facts about this moth ar...
07/21/2026

Day three of moth week, and today’s moth is a Blinded Sphinx moth (Paonias excaecata).

A few fun facts about this moth are that this species is known for its camouflage that resembles dried brown leaves.

When threatened, this moth reveals hidden bright pink hindwings featuring large blue "eyespots" ringed with black to startle predators.

Day 2 of moth week, how exciting!!! The next species spotted by staff in the park is a Red-fringed Emerald (Nemoria bist...
07/19/2026

Day 2 of moth week, how exciting!!!

The next species spotted by staff in the park is a Red-fringed Emerald (Nemoria bistriaria).

These moths are part of the Geometridae family, known for their caterpillar larvae that move in a characteristic looping motion.

Isn’t its color stunning!

Today starts National Moth Week! Check out our first moth of the week, a Polyphemus moth (Antheraea Polyphemus). These m...
07/18/2026

Today starts National Moth Week!

Check out our first moth of the week, a Polyphemus moth (Antheraea Polyphemus). These moths get their name from the giant, one-eyed-cyclops Polyphemus in Greek mythology. Males typically have large feathery antennae while females have thinner antennae and a larger abdomen.

This moth is also one of North America’s largest giant silk moths.

Can you tell which moth is male and which one is female?

The insect sound of summer is starting to ramp up here at the park. Check out these cool photos staff took of some cicad...
07/17/2026

The insect sound of summer is starting to ramp up here at the park. Check out these cool photos staff took of some cicadas.

Address

6573 State Park Road
Caseville, MI
48725

Telephone

+19898564411

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