# High visitor numbers at Dutch outdoor swimming pools

> Live situation record from CLSTR: https://clstr.news/situations/high-visitor-numbers-at-dutch-outdoor-swimming-pools
> Updated: 2026-08-18T15:50:45.000Z. Sources: 3. Developments: 2.

Outdoor swimming pools in the Netherlands are experiencing high visitor numbers, driven by warmer-than-average temperatures. 

In Ten Boer, the De Blinkerd pool has surpassed 30,000 visitors this season, with management anticipating reaching 33,333 visitors before the season concludes on September 5. In Leiden, the De Vliet outdoor pool reached a milestone of 100,000 visitors, a figure significantly higher than its typical seasonal turnout of approximately 70,000.

## Timeline

### 2026-08-18: Dutch outdoor swimming pools report high visitor numbers

Dutch outdoor swimming pools De Blinkerd and De Vliet are seeing record-breaking visitor numbers this season, driven by periods of high temperatures.

3 sources. https://clstr.news/cluster/dutch-outdoor-swimming-pools-report-high-visitor-numbers

### 2026-07-31: Halve Maan Outdoor Pool in Diest Attracts Over 36,000 Visitors in July

Halve Maan's outdoor pool in Diest logged 36,000+ July visitors, prompting extra lifeguards and promoting combo tickets for families and youth groups.

2 sources. https://clstr.news/cluster/halve-maan-outdoor-pool-in-diest-attracts-over-36000-visitors-in-july

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Cite as: High visitor numbers at Dutch outdoor swimming pools. CLSTR, https://clstr.news/situations/high-visitor-numbers-at-dutch-outdoor-swimming-pools