Western Region Regional Hosts

2024 – Oregon Grotto

2025 – San Joaquin Valley Grotto

2026 – Southern California Grotto

2027 – Shascade Caving Society & Shasta Area Grotto

2028 – San Diego Grotto

2029 – Willamette Grotto

2030 – Northern Nevada Grotto

2031 – Desert Dogs Troglodyte

2032 – Diablo Grotto

2033 – Cascade Grott