Grass Pass · written for this park
Arbor Hills Nature Preserve
Ages 6-10 · Friday, Oct 23 · 8 finds
Grown-ups: back from the park? Sign in to tell us what you found. It helps the next family, and a find nobody can spot (or that isn't safe) gets left off new passes.
Park Finds
Find 1: Count the 4 roofs held up by poles.
Easy · 4 on the park map · OpenStreetMap
Find 2: Look for 4 paths that go over other things.
Medium · 4 on the park map · OpenStreetMap
Find 3: What has a handle you push to get a swallow of water?
Easy · 1 on the park map · OpenStreetMap
Wild Finds
Find 4: Walk to a tree with corky lumps on the bark.
Look: on tree trunks
Hard · seen 3 times since Oct 9 · iNaturalist
Look, don't touch. It has sharp spines or thorns.
Find 5: Point to a tree with bright yellow-green fruit that is bumpy.
Look: on the ground
Medium · seen once since Oct 9 · iNaturalist
Look, don't touch. Never eat wild berries or fruit.
Find 6: Which plant has blue flowers?
Look: in tall grass
Easy · seen 2 times since Oct 9 · iNaturalist
Look, don't pick or eat.
Find 7: Hunt for white flowers on a plant.
Look: in tall grass
Medium · seen 2 times since Oct 9 · iNaturalist
Look, don't pick or eat.
Lucky Finds
Maybe finds: they come and go, so missing one is totally fine. Visitors' Google reviews say people spot them here.
Find 8: Maybe! Can you spot a furry pet with a wagging tail?
Look: by the path
Easy · at least 20 visitor reviews since Oct 2024 mention dogs, newest Sep 2026 · Google reviews via SerpApi
Never pet an animal you don't know.
Find This Spot
I have ladders and steps for you to climb to my top. A low fence goes around me. What am I?
Start at START and follow the map to the X.
October special: monarch butterflies
234 monarchs seen Oct 8-Oct 21 vs 181 in 2025
That's more than last year, so keep your eyes open.
Monarch butterflies reported within 25 km in the 14 days before today (Oct 8-Oct 21): 234 (iNaturalist, checked Oct 23, 12:02 AM CDT). Same two weeks last year (Oct 8-Oct 21, 2025): 181.
Milkweed seen near this park: yes (479 iNaturalist sightings within 1.5 km, all years).
Tip: look on milkweed and on fall flowers on a sunny afternoon. Look, don't touch: let it fly.
Clues written Oct 23, 12:03 AM CDT by gemma-4-31B-it (open model, Apache-2.0) from this park's data. Code checked each one against its source.
For the grown-up
Start with find 1: it's easy and it stays put. Find 8 can move away, so tick it off when you see it.
Answer key (don't peek, kids!)
- 1. Picnic shelters (4 on the park map · OpenStreetMap)
- 2. Bridges (Tower Overlook, Arbor Hills Loop) (4 on the park map · OpenStreetMap)
- 3. Drinking fountain (104) (1 on the park map · OpenStreetMap)
- 4. Hercules' club (Zanthoxylum clava-herculis) (seen 3 times since Oct 9 · iNaturalist)
- 5. Osage-orange (Maclura pomifera) (seen once since Oct 9 · iNaturalist)
- 6. Giant blue sage (Salvia azurea) (seen 2 times since Oct 9 · iNaturalist)
- 7. Heath aster (Symphyotrichum ericoides) (seen 2 times since Oct 9 · iNaturalist)
- 8. A dog out for a walk (maybe) (at least 20 visitor reviews since Oct 2024 mention dogs, newest Sep 2026 · Google reviews via SerpApi)
Find This Spot: The playground. OpenStreetMap way/485410232; START: parking lot, about 210 m south-west of START.
- Some things seen here are left off for safety.
- Park map checked Oct 18, 2:26 AM CDT (© OpenStreetMap contributors).
- Wildlife sightings checked Oct 23, 12:02 AM CDT (iNaturalist observers, research grade, within 1.5 km, last 14 days).
- Species facts: Wikipedia (CC BY-SA), via iNaturalist.
- Visitor reviews checked Oct 7, 9:08 AM CDT (Google reviews via SerpApi). We only count reviews that mention a Lucky Find in the last 2 years; review text is never shown or sent to the AI.
- Clues by gemma-4-31B-it, an open-weight model anyone can download and run. Our code picks what is safe and writes every number and date; the model only chooses from real park data and writes the words.